Home / 146,653,625.70-220,148,400.15-86,103,468.90

Finding the Fourth Proportional to 146,653,625.70, 220,148,400.15 and 86,103,468.90

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Solution

The fourth proportional to 146,653,625.70, 220,148,400.15 and 86,103,468.90 is: 129,253,817.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,653,625.70 : 220,148,400.15 = 86,103,468.90 : x
  2. Step 2: Convert to fraction form
    146,653,625.70/220,148,400.15 = 86,103,468.90/x
  3. Step 3: Cross multiply
    146,653,625.70x = 220,148,400.15 × 86,103,468.90
  4. Step 4: Simplify right side
    146,653,625.70x = 18,955,540,925,700,284
  5. Step 5: Solve for x
    x = 18,955,540,925,700,284/146,653,625.70
  6. Step 6: Final answer
    x = 129,253,817.18

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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.