Home / 73,812,002.40-110,718,003.60-68,437,231.20

Finding the Fourth Proportional to 73,812,002.40, 110,718,003.60 and 68,437,231.20

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Solution

The fourth proportional to 73,812,002.40, 110,718,003.60 and 68,437,231.20 is: 102,655,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,812,002.40 : 110,718,003.60 = 68,437,231.20 : x
  2. Step 2: Convert to fraction form
    73,812,002.40/110,718,003.60 = 68,437,231.20/x
  3. Step 3: Cross multiply
    73,812,002.40x = 110,718,003.60 × 68,437,231.20
  4. Step 4: Simplify right side
    73,812,002.40x = 7,577,233,610,375,632
  5. Step 5: Solve for x
    x = 7,577,233,610,375,632/73,812,002.40
  6. Step 6: Final answer
    x = 102,655,846.80

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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.