Home / 73,679,977.40-110,519,966.10-72,245,086.70

Finding the Fourth Proportional to 73,679,977.40, 110,519,966.10 and 72,245,086.70

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Solution

The fourth proportional to 73,679,977.40, 110,519,966.10 and 72,245,086.70 is: 108,367,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,679,977.40 : 110,519,966.10 = 72,245,086.70 : x
  2. Step 2: Convert to fraction form
    73,679,977.40/110,519,966.10 = 72,245,086.70/x
  3. Step 3: Cross multiply
    73,679,977.40x = 110,519,966.10 × 72,245,086.70
  4. Step 4: Simplify right side
    73,679,977.40x = 7,984,524,532,975,561
  5. Step 5: Solve for x
    x = 7,984,524,532,975,561/73,679,977.40
  6. Step 6: Final answer
    x = 108,367,630.05

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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.