Home / 106,487,663.13-159,311,218.86-80,654,381.73

Finding the Fourth Proportional to 106,487,663.13, 159,311,218.86 and 80,654,381.73

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Solution

The fourth proportional to 106,487,663.13, 159,311,218.86 and 80,654,381.73 is: 120,663,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,487,663.13 : 159,311,218.86 = 80,654,381.73 : x
  2. Step 2: Convert to fraction form
    106,487,663.13/159,311,218.86 = 80,654,381.73/x
  3. Step 3: Cross multiply
    106,487,663.13x = 159,311,218.86 × 80,654,381.73
  4. Step 4: Simplify right side
    106,487,663.13x = 12,849,147,859,806,018
  5. Step 5: Solve for x
    x = 12,849,147,859,806,018/106,487,663.13
  6. Step 6: Final answer
    x = 120,663,253.21

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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.