Home / 88,128,011.60-132,192,017.40-82,156,043.60

Finding the Fourth Proportional to 88,128,011.60, 132,192,017.40 and 82,156,043.60

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Solution

The fourth proportional to 88,128,011.60, 132,192,017.40 and 82,156,043.60 is: 123,234,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,011.60 : 132,192,017.40 = 82,156,043.60 : x
  2. Step 2: Convert to fraction form
    88,128,011.60/132,192,017.40 = 82,156,043.60/x
  3. Step 3: Cross multiply
    88,128,011.60x = 132,192,017.40 × 82,156,043.60
  4. Step 4: Simplify right side
    88,128,011.60x = 10,860,373,145,086,358
  5. Step 5: Solve for x
    x = 10,860,373,145,086,358/88,128,011.60
  6. Step 6: Final answer
    x = 123,234,065.40

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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.