Home / 102,187,865.19-140,998,202.78-58,719,403.11

Finding the Fourth Proportional to 102,187,865.19, 140,998,202.78 and 58,719,403.11

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Solution

The fourth proportional to 102,187,865.19, 140,998,202.78 and 58,719,403.11 is: 81,020,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,187,865.19 : 140,998,202.78 = 58,719,403.11 : x
  2. Step 2: Convert to fraction form
    102,187,865.19/140,998,202.78 = 58,719,403.11/x
  3. Step 3: Cross multiply
    102,187,865.19x = 140,998,202.78 × 58,719,403.11
  4. Step 4: Simplify right side
    102,187,865.19x = 8,279,330,306,530,746
  5. Step 5: Solve for x
    x = 8,279,330,306,530,746/102,187,865.19
  6. Step 6: Final answer
    x = 81,020,679.81

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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.