Home / 54,282,663.70-81,414,664.35-20,186,458.90

Finding the Fourth Proportional to 54,282,663.70, 81,414,664.35 and 20,186,458.90

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Solution

The fourth proportional to 54,282,663.70, 81,414,664.35 and 20,186,458.90 is: 30,276,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282,663.70 : 81,414,664.35 = 20,186,458.90 : x
  2. Step 2: Convert to fraction form
    54,282,663.70/81,414,664.35 = 20,186,458.90/x
  3. Step 3: Cross multiply
    54,282,663.70x = 81,414,664.35 × 20,186,458.90
  4. Step 4: Simplify right side
    54,282,663.70x = 1,643,473,775,758,570
  5. Step 5: Solve for x
    x = 1,643,473,775,758,570/54,282,663.70
  6. Step 6: Final answer
    x = 30,276,218.29

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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.