Home / 361,164,658.60-541,746,987.90-131,141,247.40

Finding the Fourth Proportional to 361,164,658.60, 541,746,987.90 and 131,141,247.40

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Solution

The fourth proportional to 361,164,658.60, 541,746,987.90 and 131,141,247.40 is: 196,711,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,164,658.60 : 541,746,987.90 = 131,141,247.40 : x
  2. Step 2: Convert to fraction form
    361,164,658.60/541,746,987.90 = 131,141,247.40/x
  3. Step 3: Cross multiply
    361,164,658.60x = 541,746,987.90 × 131,141,247.40
  4. Step 4: Simplify right side
    361,164,658.60x = 71,045,375,768,398,704
  5. Step 5: Solve for x
    x = 71,045,375,768,398,704/361,164,658.60
  6. Step 6: Final answer
    x = 196,711,871.10

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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.