Home / 109,149,048,021.40-163,723,572,032.10-53,222,748,098.20

Finding the Fourth Proportional to 109,149,048,021.40, 163,723,572,032.10 and 53,222,748,098.20

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Solution

The fourth proportional to 109,149,048,021.40, 163,723,572,032.10 and 53,222,748,098.20 is: 79,834,122,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,149,048,021.40 : 163,723,572,032.10 = 53,222,748,098.20 : x
  2. Step 2: Convert to fraction form
    109,149,048,021.40/163,723,572,032.10 = 53,222,748,098.20/x
  3. Step 3: Cross multiply
    109,149,048,021.40x = 163,723,572,032.10 × 53,222,748,098.20
  4. Step 4: Simplify right side
    109,149,048,021.40x = 8,713,818,432,001,960,574,976
  5. Step 5: Solve for x
    x = 8,713,818,432,001,960,574,976/109,149,048,021.40
  6. Step 6: Final answer
    x = 79,834,122,147.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.