Home / 109,157,023.20-163,735,534.80-100,228,814.40

Finding the Fourth Proportional to 109,157,023.20, 163,735,534.80 and 100,228,814.40

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Solution

The fourth proportional to 109,157,023.20, 163,735,534.80 and 100,228,814.40 is: 150,343,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,157,023.20 : 163,735,534.80 = 100,228,814.40 : x
  2. Step 2: Convert to fraction form
    109,157,023.20/163,735,534.80 = 100,228,814.40/x
  3. Step 3: Cross multiply
    109,157,023.20x = 163,735,534.80 × 100,228,814.40
  4. Step 4: Simplify right side
    109,157,023.20x = 16,411,018,528,153,944
  5. Step 5: Solve for x
    x = 16,411,018,528,153,944/109,157,023.20
  6. Step 6: Final answer
    x = 150,343,221.60

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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.