Home / 99,679,997.80-149,586,870.30-34,983,677.80

Finding the Fourth Proportional to 99,679,997.80, 149,586,870.30 and 34,983,677.80

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Solution

The fourth proportional to 99,679,997.80, 149,586,870.30 and 34,983,677.80 is: 52,498,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,679,997.80 : 149,586,870.30 = 34,983,677.80 : x
  2. Step 2: Convert to fraction form
    99,679,997.80/149,586,870.30 = 34,983,677.80/x
  3. Step 3: Cross multiply
    99,679,997.80x = 149,586,870.30 × 34,983,677.80
  4. Step 4: Simplify right side
    99,679,997.80x = 5,233,098,873,685,589
  5. Step 5: Solve for x
    x = 5,233,098,873,685,589/99,679,997.80
  6. Step 6: Final answer
    x = 52,498,986.65

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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.