Home / 99,496,847.20-149,103,553.20-73,385,379.40

Finding the Fourth Proportional to 99,496,847.20, 149,103,553.20 and 73,385,379.40

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Solution

The fourth proportional to 99,496,847.20, 149,103,553.20 and 73,385,379.40 is: 109,973,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496,847.20 : 149,103,553.20 = 73,385,379.40 : x
  2. Step 2: Convert to fraction form
    99,496,847.20/149,103,553.20 = 73,385,379.40/x
  3. Step 3: Cross multiply
    99,496,847.20x = 149,103,553.20 × 73,385,379.40
  4. Step 4: Simplify right side
    99,496,847.20x = 10,942,020,821,470,084
  5. Step 5: Solve for x
    x = 10,942,020,821,470,084/99,496,847.20
  6. Step 6: Final answer
    x = 109,973,543.18

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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.