Home / 299,670,876.48-449,506,488.96-84,260,124.48

Finding the Fourth Proportional to 299,670,876.48, 449,506,488.96 and 84,260,124.48

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Solution

The fourth proportional to 299,670,876.48, 449,506,488.96 and 84,260,124.48 is: 126,390,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,670,876.48 : 449,506,488.96 = 84,260,124.48 : x
  2. Step 2: Convert to fraction form
    299,670,876.48/449,506,488.96 = 84,260,124.48/x
  3. Step 3: Cross multiply
    299,670,876.48x = 449,506,488.96 × 84,260,124.48
  4. Step 4: Simplify right side
    299,670,876.48x = 37,875,472,714,337,344
  5. Step 5: Solve for x
    x = 37,875,472,714,337,344/299,670,876.48
  6. Step 6: Final answer
    x = 126,390,235.71

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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.