Home / 88,570,941.60-132,856,412.40-54,381,424.80

Finding the Fourth Proportional to 88,570,941.60, 132,856,412.40 and 54,381,424.80

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Solution

The fourth proportional to 88,570,941.60, 132,856,412.40 and 54,381,424.80 is: 81,572,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,570,941.60 : 132,856,412.40 = 54,381,424.80 : x
  2. Step 2: Convert to fraction form
    88,570,941.60/132,856,412.40 = 54,381,424.80/x
  3. Step 3: Cross multiply
    88,570,941.60x = 132,856,412.40 × 54,381,424.80
  4. Step 4: Simplify right side
    88,570,941.60x = 7,224,921,000,128,387
  5. Step 5: Solve for x
    x = 7,224,921,000,128,387/88,570,941.60
  6. Step 6: Final answer
    x = 81,572,137.20

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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.