Home / 102,672,001.70-154,008,002.55-82,516,609.70

Finding the Fourth Proportional to 102,672,001.70, 154,008,002.55 and 82,516,609.70

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Solution

The fourth proportional to 102,672,001.70, 154,008,002.55 and 82,516,609.70 is: 123,774,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,672,001.70 : 154,008,002.55 = 82,516,609.70 : x
  2. Step 2: Convert to fraction form
    102,672,001.70/154,008,002.55 = 82,516,609.70/x
  3. Step 3: Cross multiply
    102,672,001.70x = 154,008,002.55 × 82,516,609.70
  4. Step 4: Simplify right side
    102,672,001.70x = 12,708,218,237,094,956
  5. Step 5: Solve for x
    x = 12,708,218,237,094,956/102,672,001.70
  6. Step 6: Final answer
    x = 123,774,914.55

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Similar ratio
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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.