Home / 40,307,728.20-60,332,996.70-31,804,672.20

Finding the Fourth Proportional to 40,307,728.20, 60,332,996.70 and 31,804,672.20

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Solution

The fourth proportional to 40,307,728.20, 60,332,996.70 and 31,804,672.20 is: 47,605,540.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,307,728.20 : 60,332,996.70 = 31,804,672.20 : x
  2. Step 2: Convert to fraction form
    40,307,728.20/60,332,996.70 = 31,804,672.20/x
  3. Step 3: Cross multiply
    40,307,728.20x = 60,332,996.70 × 31,804,672.20
  4. Step 4: Simplify right side
    40,307,728.20x = 1,918,871,182,887,181.75
  5. Step 5: Solve for x
    x = 1,918,871,182,887,181.75/40,307,728.20
  6. Step 6: Final answer
    x = 47,605,540.39

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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.