Home / 89,718,554.61-123,834,640.03-58,434,558.44

Finding the Fourth Proportional to 89,718,554.61, 123,834,640.03 and 58,434,558.44

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Solution

The fourth proportional to 89,718,554.61, 123,834,640.03 and 58,434,558.44 is: 80,654,693.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,718,554.61 : 123,834,640.03 = 58,434,558.44 : x
  2. Step 2: Convert to fraction form
    89,718,554.61/123,834,640.03 = 58,434,558.44/x
  3. Step 3: Cross multiply
    89,718,554.61x = 123,834,640.03 × 58,434,558.44
  4. Step 4: Simplify right side
    89,718,554.61x = 7,236,222,508,964,139
  5. Step 5: Solve for x
    x = 7,236,222,508,964,139/89,718,554.61
  6. Step 6: Final answer
    x = 80,654,693.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.