Home / 113,609,974.20-170,414,961.30-86,736,118.20

Finding the Fourth Proportional to 113,609,974.20, 170,414,961.30 and 86,736,118.20

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Solution

The fourth proportional to 113,609,974.20, 170,414,961.30 and 86,736,118.20 is: 130,104,177.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,609,974.20 : 170,414,961.30 = 86,736,118.20 : x
  2. Step 2: Convert to fraction form
    113,609,974.20/170,414,961.30 = 86,736,118.20/x
  3. Step 3: Cross multiply
    113,609,974.20x = 170,414,961.30 × 86,736,118.20
  4. Step 4: Simplify right side
    113,609,974.20x = 14,781,132,226,365,228
  5. Step 5: Solve for x
    x = 14,781,132,226,365,228/113,609,974.20
  6. Step 6: Final answer
    x = 130,104,177.30

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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.