Home / 449,433,105.20-674,149,657.80-126,316,977.20

Finding the Fourth Proportional to 449,433,105.20, 674,149,657.80 and 126,316,977.20

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Solution

The fourth proportional to 449,433,105.20, 674,149,657.80 and 126,316,977.20 is: 189,475,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,433,105.20 : 674,149,657.80 = 126,316,977.20 : x
  2. Step 2: Convert to fraction form
    449,433,105.20/674,149,657.80 = 126,316,977.20/x
  3. Step 3: Cross multiply
    449,433,105.20x = 674,149,657.80 × 126,316,977.20
  4. Step 4: Simplify right side
    449,433,105.20x = 85,156,546,953,710,400
  5. Step 5: Solve for x
    x = 85,156,546,953,710,400/449,433,105.20
  6. Step 6: Final answer
    x = 189,475,465.80

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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.