Home / 362,142,111.70-543,354,885.15-132,134,446.90

Finding the Fourth Proportional to 362,142,111.70, 543,354,885.15 and 132,134,446.90

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Solution

The fourth proportional to 362,142,111.70, 543,354,885.15 and 132,134,446.90 is: 198,253,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,142,111.70 : 543,354,885.15 = 132,134,446.90 : x
  2. Step 2: Convert to fraction form
    362,142,111.70/543,354,885.15 = 132,134,446.90/x
  3. Step 3: Cross multiply
    362,142,111.70x = 543,354,885.15 × 132,134,446.90
  4. Step 4: Simplify right side
    362,142,111.70x = 71,795,897,219,708,272
  5. Step 5: Solve for x
    x = 71,795,897,219,708,272/362,142,111.70
  6. Step 6: Final answer
    x = 198,253,378.72

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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.