Home / 90,760,507.60-136,123,046.70-30,176,233.60

Finding the Fourth Proportional to 90,760,507.60, 136,123,046.70 and 30,176,233.60

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Solution

The fourth proportional to 90,760,507.60, 136,123,046.70 and 30,176,233.60 is: 45,258,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,760,507.60 : 136,123,046.70 = 30,176,233.60 : x
  2. Step 2: Convert to fraction form
    90,760,507.60/136,123,046.70 = 30,176,233.60/x
  3. Step 3: Cross multiply
    90,760,507.60x = 136,123,046.70 × 30,176,233.60
  4. Step 4: Simplify right side
    90,760,507.60x = 4,107,680,855,562,909
  5. Step 5: Solve for x
    x = 4,107,680,855,562,909/90,760,507.60
  6. Step 6: Final answer
    x = 45,258,460.58

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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.