Home / 92,286,200.70-138,429,301.05-77,281,631.10

Finding the Fourth Proportional to 92,286,200.70, 138,429,301.05 and 77,281,631.10

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Solution

The fourth proportional to 92,286,200.70, 138,429,301.05 and 77,281,631.10 is: 115,922,446.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,286,200.70 : 138,429,301.05 = 77,281,631.10 : x
  2. Step 2: Convert to fraction form
    92,286,200.70/138,429,301.05 = 77,281,631.10/x
  3. Step 3: Cross multiply
    92,286,200.70x = 138,429,301.05 × 77,281,631.10
  4. Step 4: Simplify right side
    92,286,200.70x = 10,698,042,177,176,942
  5. Step 5: Solve for x
    x = 10,698,042,177,176,942/92,286,200.70
  6. Step 6: Final answer
    x = 115,922,446.65

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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.