Home / 89,718,557.86-123,834,644.54-58,434,561.69

Finding the Fourth Proportional to 89,718,557.86, 123,834,644.54 and 58,434,561.69

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Solution

The fourth proportional to 89,718,557.86, 123,834,644.54 and 58,434,561.69 is: 80,654,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,718,557.86 : 123,834,644.54 = 58,434,561.69 : x
  2. Step 2: Convert to fraction form
    89,718,557.86/123,834,644.54 = 58,434,561.69/x
  3. Step 3: Cross multiply
    89,718,557.86x = 123,834,644.54 × 58,434,561.69
  4. Step 4: Simplify right side
    89,718,557.86x = 7,236,223,175,731,852
  5. Step 5: Solve for x
    x = 7,236,223,175,731,852/89,718,557.86
  6. Step 6: Final answer
    x = 80,654,697.85

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Double scale
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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.