Home / 215,046,675.20-322,612,003.20-85,632,262.40

Finding the Fourth Proportional to 215,046,675.20, 322,612,003.20 and 85,632,262.40

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Solution

The fourth proportional to 215,046,675.20, 322,612,003.20 and 85,632,262.40 is: 128,465,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,046,675.20 : 322,612,003.20 = 85,632,262.40 : x
  2. Step 2: Convert to fraction form
    215,046,675.20/322,612,003.20 = 85,632,262.40/x
  3. Step 3: Cross multiply
    215,046,675.20x = 322,612,003.20 × 85,632,262.40
  4. Step 4: Simplify right side
    215,046,675.20x = 27,625,995,711,412,040
  5. Step 5: Solve for x
    x = 27,625,995,711,412,040/215,046,675.20
  6. Step 6: Final answer
    x = 128,465,114.31

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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.