Home / 372,649,372.54-514,235,148.83-205,385,126.95

Finding the Fourth Proportional to 372,649,372.54, 514,235,148.83 and 205,385,126.95

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Solution

The fourth proportional to 372,649,372.54, 514,235,148.83 and 205,385,126.95 is: 283,419,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,649,372.54 : 514,235,148.83 = 205,385,126.95 : x
  2. Step 2: Convert to fraction form
    372,649,372.54/514,235,148.83 = 205,385,126.95/x
  3. Step 3: Cross multiply
    372,649,372.54x = 514,235,148.83 × 205,385,126.95
  4. Step 4: Simplify right side
    372,649,372.54x = 105,616,251,326,142,016
  5. Step 5: Solve for x
    x = 105,616,251,326,142,016/372,649,372.54
  6. Step 6: Final answer
    x = 283,419,909.19

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