Home / 57,132,470.84-85,701,945.04-18,274,335.98

Finding the Fourth Proportional to 57,132,470.84, 85,701,945.04 and 18,274,335.98

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Solution

The fourth proportional to 57,132,470.84, 85,701,945.04 and 18,274,335.98 is: 27,412,539.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,132,470.84 : 85,701,945.04 = 18,274,335.98 : x
  2. Step 2: Convert to fraction form
    57,132,470.84/85,701,945.04 = 18,274,335.98/x
  3. Step 3: Cross multiply
    57,132,470.84x = 85,701,945.04 × 18,274,335.98
  4. Step 4: Simplify right side
    57,132,470.84x = 1,566,146,137,540,513.75
  5. Step 5: Solve for x
    x = 1,566,146,137,540,513.75/57,132,470.84
  6. Step 6: Final answer
    x = 27,412,539.92

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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.