Home / 67,068,400.80-100,478,598.30-38,228,869.20

Finding the Fourth Proportional to 67,068,400.80, 100,478,598.30 and 38,228,869.20

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Solution

The fourth proportional to 67,068,400.80, 100,478,598.30 and 38,228,869.20 is: 57,272,622.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,400.80 : 100,478,598.30 = 38,228,869.20 : x
  2. Step 2: Convert to fraction form
    67,068,400.80/100,478,598.30 = 38,228,869.20/x
  3. Step 3: Cross multiply
    67,068,400.80x = 100,478,598.30 × 38,228,869.20
  4. Step 4: Simplify right side
    67,068,400.80x = 3,841,183,191,810,042.50
  5. Step 5: Solve for x
    x = 3,841,183,191,810,042.50/67,068,400.80
  6. Step 6: Final answer
    x = 57,272,622.37

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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.