Home / 146,653,601.70-220,148,364.15-86,103,444.90

Finding the Fourth Proportional to 146,653,601.70, 220,148,364.15 and 86,103,444.90

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Solution

The fourth proportional to 146,653,601.70, 220,148,364.15 and 86,103,444.90 is: 129,253,781.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,653,601.70 : 220,148,364.15 = 86,103,444.90 : x
  2. Step 2: Convert to fraction form
    146,653,601.70/220,148,364.15 = 86,103,444.90/x
  3. Step 3: Cross multiply
    146,653,601.70x = 220,148,364.15 × 86,103,444.90
  4. Step 4: Simplify right side
    146,653,601.70x = 18,955,532,542,414,664
  5. Step 5: Solve for x
    x = 18,955,532,542,414,664/146,653,601.70
  6. Step 6: Final answer
    x = 129,253,781.17

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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.