Home / 146,659,234.70-220,156,813.65-86,109,077.90

Finding the Fourth Proportional to 146,659,234.70, 220,156,813.65 and 86,109,077.90

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Solution

The fourth proportional to 146,659,234.70, 220,156,813.65 and 86,109,077.90 is: 129,262,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,659,234.70 : 220,156,813.65 = 86,109,077.90 : x
  2. Step 2: Convert to fraction form
    146,659,234.70/220,156,813.65 = 86,109,077.90/x
  3. Step 3: Cross multiply
    146,659,234.70x = 220,156,813.65 × 86,109,077.90
  4. Step 4: Simplify right side
    146,659,234.70x = 18,957,500,216,803,636
  5. Step 5: Solve for x
    x = 18,957,500,216,803,636/146,659,234.70
  6. Step 6: Final answer
    x = 129,262,233.34

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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.