Home / 86,207,268.30-129,310,902.46-76,853,906.70

Finding the Fourth Proportional to 86,207,268.30, 129,310,902.46 and 76,853,906.70

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Solution

The fourth proportional to 86,207,268.30, 129,310,902.46 and 76,853,906.70 is: 115,280,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,207,268.30 : 129,310,902.46 = 76,853,906.70 : x
  2. Step 2: Convert to fraction form
    86,207,268.30/129,310,902.46 = 76,853,906.70/x
  3. Step 3: Cross multiply
    86,207,268.30x = 129,310,902.46 × 76,853,906.70
  4. Step 4: Simplify right side
    86,207,268.30x = 9,938,048,032,953,640
  5. Step 5: Solve for x
    x = 9,938,048,032,953,640/86,207,268.30
  6. Step 6: Final answer
    x = 115,280,860.06

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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.