Home / 99,496,852.70-149,103,561.45-73,385,384.90

Finding the Fourth Proportional to 99,496,852.70, 149,103,561.45 and 73,385,384.90

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Solution

The fourth proportional to 99,496,852.70, 149,103,561.45 and 73,385,384.90 is: 109,973,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496,852.70 : 149,103,561.45 = 73,385,384.90 : x
  2. Step 2: Convert to fraction form
    99,496,852.70/149,103,561.45 = 73,385,384.90/x
  3. Step 3: Cross multiply
    99,496,852.70x = 149,103,561.45 × 73,385,384.90
  4. Step 4: Simplify right side
    99,496,852.70x = 10,942,022,246,969,052
  5. Step 5: Solve for x
    x = 10,942,022,246,969,052/99,496,852.70
  6. Step 6: Final answer
    x = 109,973,551.42

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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.