Home / 55,777,473.40-83,671,029.60-15,387,957.40

Finding the Fourth Proportional to 55,777,473.40, 83,671,029.60 and 15,387,957.40

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Solution

The fourth proportional to 55,777,473.40, 83,671,029.60 and 15,387,957.40 is: 23,083,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777,473.40 : 83,671,029.60 = 15,387,957.40 : x
  2. Step 2: Convert to fraction form
    55,777,473.40/83,671,029.60 = 15,387,957.40/x
  3. Step 3: Cross multiply
    55,777,473.40x = 83,671,029.60 × 15,387,957.40
  4. Step 4: Simplify right side
    55,777,473.40x = 1,287,526,239,098,939
  5. Step 5: Solve for x
    x = 1,287,526,239,098,939/55,777,473.40
  6. Step 6: Final answer
    x = 23,083,265.71

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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.