Home / 172,106,761.40-237,500,419.98-93,788,645.72

Finding the Fourth Proportional to 172,106,761.40, 237,500,419.98 and 93,788,645.72

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Solution

The fourth proportional to 172,106,761.40, 237,500,419.98 and 93,788,645.72 is: 129,424,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,106,761.40 : 237,500,419.98 = 93,788,645.72 : x
  2. Step 2: Convert to fraction form
    172,106,761.40/237,500,419.98 = 93,788,645.72/x
  3. Step 3: Cross multiply
    172,106,761.40x = 237,500,419.98 × 93,788,645.72
  4. Step 4: Simplify right side
    172,106,761.40x = 22,274,842,747,855,428
  5. Step 5: Solve for x
    x = 22,274,842,747,855,428/172,106,761.40
  6. Step 6: Final answer
    x = 129,424,565.12

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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.