Home / 90,279,581.56-124,623,960.50-60,950,640.36

Finding the Fourth Proportional to 90,279,581.56, 124,623,960.50 and 60,950,640.36

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Solution

The fourth proportional to 90,279,581.56, 124,623,960.50 and 60,950,640.36 is: 84,137,631.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,279,581.56 : 124,623,960.50 = 60,950,640.36 : x
  2. Step 2: Convert to fraction form
    90,279,581.56/124,623,960.50 = 60,950,640.36/x
  3. Step 3: Cross multiply
    90,279,581.56x = 124,623,960.50 × 60,950,640.36
  4. Step 4: Simplify right side
    90,279,581.56x = 7,595,910,196,674,346
  5. Step 5: Solve for x
    x = 7,595,910,196,674,346/90,279,581.56
  6. Step 6: Final answer
    x = 84,137,631.85

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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.