Home / 121,440,658.20-182,244,968.10-87,386,443.80

Finding the Fourth Proportional to 121,440,658.20, 182,244,968.10 and 87,386,443.80

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Solution

The fourth proportional to 121,440,658.20, 182,244,968.10 and 87,386,443.80 is: 131,140,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,440,658.20 : 182,244,968.10 = 87,386,443.80 : x
  2. Step 2: Convert to fraction form
    121,440,658.20/182,244,968.10 = 87,386,443.80/x
  3. Step 3: Cross multiply
    121,440,658.20x = 182,244,968.10 × 87,386,443.80
  4. Step 4: Simplify right side
    121,440,658.20x = 15,925,739,662,703,442
  5. Step 5: Solve for x
    x = 15,925,739,662,703,442/121,440,658.20
  6. Step 6: Final answer
    x = 131,140,096.73

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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.