Home / 89,718,557.45-123,834,643.97-58,434,561.27

Finding the Fourth Proportional to 89,718,557.45, 123,834,643.97 and 58,434,561.27

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Solution

The fourth proportional to 89,718,557.45, 123,834,643.97 and 58,434,561.27 is: 80,654,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,718,557.45 : 123,834,643.97 = 58,434,561.27 : x
  2. Step 2: Convert to fraction form
    89,718,557.45/123,834,643.97 = 58,434,561.27/x
  3. Step 3: Cross multiply
    89,718,557.45x = 123,834,643.97 × 58,434,561.27
  4. Step 4: Simplify right side
    89,718,557.45x = 7,236,223,090,121,429
  5. Step 5: Solve for x
    x = 7,236,223,090,121,429/89,718,557.45
  6. Step 6: Final answer
    x = 80,654,697.27

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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.