Home / 108,524,007.20-162,786,010.80-74,086,630.40

Finding the Fourth Proportional to 108,524,007.20, 162,786,010.80 and 74,086,630.40

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Solution

The fourth proportional to 108,524,007.20, 162,786,010.80 and 74,086,630.40 is: 111,129,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,524,007.20 : 162,786,010.80 = 74,086,630.40 : x
  2. Step 2: Convert to fraction form
    108,524,007.20/162,786,010.80 = 74,086,630.40/x
  3. Step 3: Cross multiply
    108,524,007.20x = 162,786,010.80 × 74,086,630.40
  4. Step 4: Simplify right side
    108,524,007.20x = 12,060,267,016,430,010
  5. Step 5: Solve for x
    x = 12,060,267,016,430,010/108,524,007.20
  6. Step 6: Final answer
    x = 111,129,945.60

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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.