Home / 89,737,761.78-123,940,262.52-60,318,017.86

Finding the Fourth Proportional to 89,737,761.78, 123,940,262.52 and 60,318,017.86

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Solution

The fourth proportional to 89,737,761.78, 123,940,262.52 and 60,318,017.86 is: 83,307,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,737,761.78 : 123,940,262.52 = 60,318,017.86 : x
  2. Step 2: Convert to fraction form
    89,737,761.78/123,940,262.52 = 60,318,017.86/x
  3. Step 3: Cross multiply
    89,737,761.78x = 123,940,262.52 × 60,318,017.86
  4. Step 4: Simplify right side
    89,737,761.78x = 7,475,830,968,254,448
  5. Step 5: Solve for x
    x = 7,475,830,968,254,448/89,737,761.78
  6. Step 6: Final answer
    x = 83,307,526.51

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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.