Home / 313,996,732.29-433,307,570.82-172,866,543.73

Finding the Fourth Proportional to 313,996,732.29, 433,307,570.82 and 172,866,543.73

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Solution

The fourth proportional to 313,996,732.29, 433,307,570.82 and 172,866,543.73 is: 238,551,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,996,732.29 : 433,307,570.82 = 172,866,543.73 : x
  2. Step 2: Convert to fraction form
    313,996,732.29/433,307,570.82 = 172,866,543.73/x
  3. Step 3: Cross multiply
    313,996,732.29x = 433,307,570.82 × 172,866,543.73
  4. Step 4: Simplify right side
    313,996,732.29x = 74,904,382,139,695,600
  5. Step 5: Solve for x
    x = 74,904,382,139,695,600/313,996,732.29
  6. Step 6: Final answer
    x = 238,551,470.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.