Home / 90,935,908.37-136,311,930.80-39,154,280.21

Finding the Fourth Proportional to 90,935,908.37, 136,311,930.80 and 39,154,280.21

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Solution

The fourth proportional to 90,935,908.37, 136,311,930.80 and 39,154,280.21 is: 58,691,837.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,935,908.37 : 136,311,930.80 = 39,154,280.21 : x
  2. Step 2: Convert to fraction form
    90,935,908.37/136,311,930.80 = 39,154,280.21/x
  3. Step 3: Cross multiply
    90,935,908.37x = 136,311,930.80 × 39,154,280.21
  4. Step 4: Simplify right side
    90,935,908.37x = 5,337,195,534,313,558
  5. Step 5: Solve for x
    x = 5,337,195,534,313,558/90,935,908.37
  6. Step 6: Final answer
    x = 58,691,837.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.