Home / 88,570,857.20-132,856,285.80-54,381,340.40

Finding the Fourth Proportional to 88,570,857.20, 132,856,285.80 and 54,381,340.40

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Solution

The fourth proportional to 88,570,857.20, 132,856,285.80 and 54,381,340.40 is: 81,572,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,570,857.20 : 132,856,285.80 = 54,381,340.40 : x
  2. Step 2: Convert to fraction form
    88,570,857.20/132,856,285.80 = 54,381,340.40/x
  3. Step 3: Cross multiply
    88,570,857.20x = 132,856,285.80 × 54,381,340.40
  4. Step 4: Simplify right side
    88,570,857.20x = 7,224,902,902,369,486
  5. Step 5: Solve for x
    x = 7,224,902,902,369,486/88,570,857.20
  6. Step 6: Final answer
    x = 81,572,010.60

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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.