Home / 89,737,759.78-123,940,259.76-60,318,015.86

Finding the Fourth Proportional to 89,737,759.78, 123,940,259.76 and 60,318,015.86

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Solution

The fourth proportional to 89,737,759.78, 123,940,259.76 and 60,318,015.86 is: 83,307,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,737,759.78 : 123,940,259.76 = 60,318,015.86 : x
  2. Step 2: Convert to fraction form
    89,737,759.78/123,940,259.76 = 60,318,015.86/x
  3. Step 3: Cross multiply
    89,737,759.78x = 123,940,259.76 × 60,318,015.86
  4. Step 4: Simplify right side
    89,737,759.78x = 7,475,830,554,432,243
  5. Step 5: Solve for x
    x = 7,475,830,554,432,243/89,737,759.78
  6. Step 6: Final answer
    x = 83,307,523.76

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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.