Home / 89,712,279.28-123,802,995.36-48,459,172

Finding the Fourth Proportional to 89,712,279.28, 123,802,995.36 and 48,459,172

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Solution

The fourth proportional to 89,712,279.28, 123,802,995.36 and 48,459,172 is: 66,873,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,279.28 : 123,802,995.36 = 48,459,172 : x
  2. Step 2: Convert to fraction form
    89,712,279.28/123,802,995.36 = 48,459,172/x
  3. Step 3: Cross multiply
    89,712,279.28x = 123,802,995.36 × 48,459,172
  4. Step 4: Simplify right side
    89,712,279.28x = 5,999,390,646,265,442
  5. Step 5: Solve for x
    x = 5,999,390,646,265,442/89,712,279.28
  6. Step 6: Final answer
    x = 66,873,684.34

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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.