Home / 89,786,752.11-123,905,663.82-48,533,645.70

Finding the Fourth Proportional to 89,786,752.11, 123,905,663.82 and 48,533,645.70

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Solution

The fourth proportional to 89,786,752.11, 123,905,663.82 and 48,533,645.70 is: 66,976,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,786,752.11 : 123,905,663.82 = 48,533,645.70 : x
  2. Step 2: Convert to fraction form
    89,786,752.11/123,905,663.82 = 48,533,645.70/x
  3. Step 3: Cross multiply
    89,786,752.11x = 123,905,663.82 × 48,533,645.70
  4. Step 4: Simplify right side
    89,786,752.11x = 6,013,593,588,063,189
  5. Step 5: Solve for x
    x = 6,013,593,588,063,189/89,786,752.11
  6. Step 6: Final answer
    x = 66,976,401.83

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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.