Home / 54,918,145.80-82,377,218.70-48,753,430.20

Finding the Fourth Proportional to 54,918,145.80, 82,377,218.70 and 48,753,430.20

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Solution

The fourth proportional to 54,918,145.80, 82,377,218.70 and 48,753,430.20 is: 73,130,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,918,145.80 : 82,377,218.70 = 48,753,430.20 : x
  2. Step 2: Convert to fraction form
    54,918,145.80/82,377,218.70 = 48,753,430.20/x
  3. Step 3: Cross multiply
    54,918,145.80x = 82,377,218.70 × 48,753,430.20
  4. Step 4: Simplify right side
    54,918,145.80x = 4,016,171,981,960,585
  5. Step 5: Solve for x
    x = 4,016,171,981,960,585/54,918,145.80
  6. Step 6: Final answer
    x = 73,130,145.30

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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.