Home / 144,865,997.10-217,298,995.65-47,836,680.30

Finding the Fourth Proportional to 144,865,997.10, 217,298,995.65 and 47,836,680.30

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Solution

The fourth proportional to 144,865,997.10, 217,298,995.65 and 47,836,680.30 is: 71,755,020.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,865,997.10 : 217,298,995.65 = 47,836,680.30 : x
  2. Step 2: Convert to fraction form
    144,865,997.10/217,298,995.65 = 47,836,680.30/x
  3. Step 3: Cross multiply
    144,865,997.10x = 217,298,995.65 × 47,836,680.30
  4. Step 4: Simplify right side
    144,865,997.10x = 10,394,862,584,420,140
  5. Step 5: Solve for x
    x = 10,394,862,584,420,140/144,865,997.10
  6. Step 6: Final answer
    x = 71,755,020.45

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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.