Home / 87,120,214.80-130,680,322.20-59,910,435.60

Finding the Fourth Proportional to 87,120,214.80, 130,680,322.20 and 59,910,435.60

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Solution

The fourth proportional to 87,120,214.80, 130,680,322.20 and 59,910,435.60 is: 89,865,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,120,214.80 : 130,680,322.20 = 59,910,435.60 : x
  2. Step 2: Convert to fraction form
    87,120,214.80/130,680,322.20 = 59,910,435.60/x
  3. Step 3: Cross multiply
    87,120,214.80x = 130,680,322.20 × 59,910,435.60
  4. Step 4: Simplify right side
    87,120,214.80x = 7,829,115,027,350,351
  5. Step 5: Solve for x
    x = 7,829,115,027,350,351/87,120,214.80
  6. Step 6: Final answer
    x = 89,865,653.40

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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.