Home / 89,712,217-123,802,909.28-48,459,109.78

Finding the Fourth Proportional to 89,712,217, 123,802,909.28 and 48,459,109.78

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Solution

The fourth proportional to 89,712,217, 123,802,909.28 and 48,459,109.78 is: 66,873,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,217 : 123,802,909.28 = 48,459,109.78 : x
  2. Step 2: Convert to fraction form
    89,712,217/123,802,909.28 = 48,459,109.78/x
  3. Step 3: Cross multiply
    89,712,217x = 123,802,909.28 × 48,459,109.78
  4. Step 4: Simplify right side
    89,712,217x = 5,999,378,771,882,901
  5. Step 5: Solve for x
    x = 5,999,378,771,882,901/89,712,217
  6. Step 6: Final answer
    x = 66,873,598.41

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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.