Home / 54,282,663.20-81,414,663.60-20,186,458.40

Finding the Fourth Proportional to 54,282,663.20, 81,414,663.60 and 20,186,458.40

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Solution

The fourth proportional to 54,282,663.20, 81,414,663.60 and 20,186,458.40 is: 30,276,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282,663.20 : 81,414,663.60 = 20,186,458.40 : x
  2. Step 2: Convert to fraction form
    54,282,663.20/81,414,663.60 = 20,186,458.40/x
  3. Step 3: Cross multiply
    54,282,663.20x = 81,414,663.60 × 20,186,458.40
  4. Step 4: Simplify right side
    54,282,663.20x = 1,643,473,719,911,394
  5. Step 5: Solve for x
    x = 1,643,473,719,911,394/54,282,663.20
  6. Step 6: Final answer
    x = 30,276,217.54

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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.