Home / 42,137,105.73-63,209,864.12-11,432,166.81

Finding the Fourth Proportional to 42,137,105.73, 63,209,864.12 and 11,432,166.81

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Solution

The fourth proportional to 42,137,105.73, 63,209,864.12 and 11,432,166.81 is: 17,149,391.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,137,105.73 : 63,209,864.12 = 11,432,166.81 : x
  2. Step 2: Convert to fraction form
    42,137,105.73/63,209,864.12 = 11,432,166.81/x
  3. Step 3: Cross multiply
    42,137,105.73x = 63,209,864.12 × 11,432,166.81
  4. Step 4: Simplify right side
    42,137,105.73x = 722,625,710,600,113.12
  5. Step 5: Solve for x
    x = 722,625,710,600,113.12/42,137,105.73
  6. Step 6: Final answer
    x = 17,149,391.21

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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.