Home / 88,129,425.60-132,194,138.40-55,817,812.80

Finding the Fourth Proportional to 88,129,425.60, 132,194,138.40 and 55,817,812.80

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Solution

The fourth proportional to 88,129,425.60, 132,194,138.40 and 55,817,812.80 is: 83,726,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,129,425.60 : 132,194,138.40 = 55,817,812.80 : x
  2. Step 2: Convert to fraction form
    88,129,425.60/132,194,138.40 = 55,817,812.80/x
  3. Step 3: Cross multiply
    88,129,425.60x = 132,194,138.40 × 55,817,812.80
  4. Step 4: Simplify right side
    88,129,425.60x = 7,378,787,670,468,491
  5. Step 5: Solve for x
    x = 7,378,787,670,468,491/88,129,425.60
  6. Step 6: Final answer
    x = 83,726,719.20

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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.