Home / 99,496,853.20-149,103,562.20-73,385,385.40

Finding the Fourth Proportional to 99,496,853.20, 149,103,562.20 and 73,385,385.40

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Solution

The fourth proportional to 99,496,853.20, 149,103,562.20 and 73,385,385.40 is: 109,973,552.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496,853.20 : 149,103,562.20 = 73,385,385.40 : x
  2. Step 2: Convert to fraction form
    99,496,853.20/149,103,562.20 = 73,385,385.40/x
  3. Step 3: Cross multiply
    99,496,853.20x = 149,103,562.20 × 73,385,385.40
  4. Step 4: Simplify right side
    99,496,853.20x = 10,942,022,376,559,872
  5. Step 5: Solve for x
    x = 10,942,022,376,559,872/99,496,853.20
  6. Step 6: Final answer
    x = 109,973,552.17

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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.