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Finding the Fourth Proportional to 76,459,648.60, 114,689,472.90 and 22,606,960.60

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Solution

The fourth proportional to 76,459,648.60, 114,689,472.90 and 22,606,960.60 is: 33,910,440.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,459,648.60 : 114,689,472.90 = 22,606,960.60 : x
  2. Step 2: Convert to fraction form
    76,459,648.60/114,689,472.90 = 22,606,960.60/x
  3. Step 3: Cross multiply
    76,459,648.60x = 114,689,472.90 × 22,606,960.60
  4. Step 4: Simplify right side
    76,459,648.60x = 2,592,780,395,085,068
  5. Step 5: Solve for x
    x = 2,592,780,395,085,068/76,459,648.60
  6. Step 6: Final answer
    x = 33,910,440.90

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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.