Home / 96,982,803.60-145,474,205.40-79,764,115.20

Finding the Fourth Proportional to 96,982,803.60, 145,474,205.40 and 79,764,115.20

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Solution

The fourth proportional to 96,982,803.60, 145,474,205.40 and 79,764,115.20 is: 119,646,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,982,803.60 : 145,474,205.40 = 79,764,115.20 : x
  2. Step 2: Convert to fraction form
    96,982,803.60/145,474,205.40 = 79,764,115.20/x
  3. Step 3: Cross multiply
    96,982,803.60x = 145,474,205.40 × 79,764,115.20
  4. Step 4: Simplify right side
    96,982,803.60x = 11,603,621,278,154,062
  5. Step 5: Solve for x
    x = 11,603,621,278,154,062/96,982,803.60
  6. Step 6: Final answer
    x = 119,646,172.80

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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.