Home / 211,305,743.40-316,958,615.10-146,735,661.90

Finding the Fourth Proportional to 211,305,743.40, 316,958,615.10 and 146,735,661.90

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Solution

The fourth proportional to 211,305,743.40, 316,958,615.10 and 146,735,661.90 is: 220,103,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,305,743.40 : 316,958,615.10 = 146,735,661.90 : x
  2. Step 2: Convert to fraction form
    211,305,743.40/316,958,615.10 = 146,735,661.90/x
  3. Step 3: Cross multiply
    211,305,743.40x = 316,958,615.10 × 146,735,661.90
  4. Step 4: Simplify right side
    211,305,743.40x = 46,509,132,181,605,840
  5. Step 5: Solve for x
    x = 46,509,132,181,605,840/211,305,743.40
  6. Step 6: Final answer
    x = 220,103,492.85

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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.