Home / 99,856,153.40-149,784,230.10-48,711,846.20

Finding the Fourth Proportional to 99,856,153.40, 149,784,230.10 and 48,711,846.20

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Solution

The fourth proportional to 99,856,153.40, 149,784,230.10 and 48,711,846.20 is: 73,067,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,856,153.40 : 149,784,230.10 = 48,711,846.20 : x
  2. Step 2: Convert to fraction form
    99,856,153.40/149,784,230.10 = 48,711,846.20/x
  3. Step 3: Cross multiply
    99,856,153.40x = 149,784,230.10 × 48,711,846.20
  4. Step 4: Simplify right side
    99,856,153.40x = 7,296,266,379,816,611
  5. Step 5: Solve for x
    x = 7,296,266,379,816,611/99,856,153.40
  6. Step 6: Final answer
    x = 73,067,769.30

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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.