Home / 191,578,217.20-287,367,325.80-84,082,793.20

Finding the Fourth Proportional to 191,578,217.20, 287,367,325.80 and 84,082,793.20

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Solution

The fourth proportional to 191,578,217.20, 287,367,325.80 and 84,082,793.20 is: 126,124,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,578,217.20 : 287,367,325.80 = 84,082,793.20 : x
  2. Step 2: Convert to fraction form
    191,578,217.20/287,367,325.80 = 84,082,793.20/x
  3. Step 3: Cross multiply
    191,578,217.20x = 287,367,325.80 × 84,082,793.20
  4. Step 4: Simplify right side
    191,578,217.20x = 24,162,647,427,678,428
  5. Step 5: Solve for x
    x = 24,162,647,427,678,428/191,578,217.20
  6. Step 6: Final answer
    x = 126,124,189.80

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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.