Home / 132,102,616.60-198,153,924.90-86,186,114.20

Finding the Fourth Proportional to 132,102,616.60, 198,153,924.90 and 86,186,114.20

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Solution

The fourth proportional to 132,102,616.60, 198,153,924.90 and 86,186,114.20 is: 129,279,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,102,616.60 : 198,153,924.90 = 86,186,114.20 : x
  2. Step 2: Convert to fraction form
    132,102,616.60/198,153,924.90 = 86,186,114.20/x
  3. Step 3: Cross multiply
    132,102,616.60x = 198,153,924.90 × 86,186,114.20
  4. Step 4: Simplify right side
    132,102,616.60x = 17,078,116,800,609,624
  5. Step 5: Solve for x
    x = 17,078,116,800,609,624/132,102,616.60
  6. Step 6: Final answer
    x = 129,279,171.30

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1.5x scale

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.