Home / 272,496,006.20-408,744,009.30-231,681,337.40

Finding the Fourth Proportional to 272,496,006.20, 408,744,009.30 and 231,681,337.40

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Solution

The fourth proportional to 272,496,006.20, 408,744,009.30 and 231,681,337.40 is: 347,522,006.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,496,006.20 : 408,744,009.30 = 231,681,337.40 : x
  2. Step 2: Convert to fraction form
    272,496,006.20/408,744,009.30 = 231,681,337.40/x
  3. Step 3: Cross multiply
    272,496,006.20x = 408,744,009.30 × 231,681,337.40
  4. Step 4: Simplify right side
    272,496,006.20x = 94,698,358,728,862,048
  5. Step 5: Solve for x
    x = 94,698,358,728,862,048/272,496,006.20
  6. Step 6: Final answer
    x = 347,522,006.10

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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.