Home / 69,781,347.18-96,298,261.83-38,840,853.78

Finding the Fourth Proportional to 69,781,347.18, 96,298,261.83 and 38,840,853.78

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Solution

The fourth proportional to 69,781,347.18, 96,298,261.83 and 38,840,853.78 is: 53,600,379.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,781,347.18 : 96,298,261.83 = 38,840,853.78 : x
  2. Step 2: Convert to fraction form
    69,781,347.18/96,298,261.83 = 38,840,853.78/x
  3. Step 3: Cross multiply
    69,781,347.18x = 96,298,261.83 × 38,840,853.78
  4. Step 4: Simplify right side
    69,781,347.18x = 3,740,306,707,007,185.50
  5. Step 5: Solve for x
    x = 3,740,306,707,007,185.50/69,781,347.18
  6. Step 6: Final answer
    x = 53,600,379.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.