Home / 258,874,753.13-388,312,132.93-62,138,165.87

Finding the Fourth Proportional to 258,874,753.13, 388,312,132.93 and 62,138,165.87

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Solution

The fourth proportional to 258,874,753.13, 388,312,132.93 and 62,138,165.87 is: 93,207,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,874,753.13 : 388,312,132.93 = 62,138,165.87 : x
  2. Step 2: Convert to fraction form
    258,874,753.13/388,312,132.93 = 62,138,165.87/x
  3. Step 3: Cross multiply
    258,874,753.13x = 388,312,132.93 × 62,138,165.87
  4. Step 4: Simplify right side
    258,874,753.13x = 24,129,003,726,881,352
  5. Step 5: Solve for x
    x = 24,129,003,726,881,352/258,874,753.13
  6. Step 6: Final answer
    x = 93,207,249.59

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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.