Home / 99,816,375.40-149,724,563.10-61,017,245.80

Finding the Fourth Proportional to 99,816,375.40, 149,724,563.10 and 61,017,245.80

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Solution

The fourth proportional to 99,816,375.40, 149,724,563.10 and 61,017,245.80 is: 91,525,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,816,375.40 : 149,724,563.10 = 61,017,245.80 : x
  2. Step 2: Convert to fraction form
    99,816,375.40/149,724,563.10 = 61,017,245.80/x
  3. Step 3: Cross multiply
    99,816,375.40x = 149,724,563.10 × 61,017,245.80
  4. Step 4: Simplify right side
    99,816,375.40x = 9,135,780,468,970,310
  5. Step 5: Solve for x
    x = 9,135,780,468,970,310/99,816,375.40
  6. Step 6: Final answer
    x = 91,525,868.70

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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.