Home / 99,496,851.20-149,103,559.20-73,385,383.40

Finding the Fourth Proportional to 99,496,851.20, 149,103,559.20 and 73,385,383.40

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Solution

The fourth proportional to 99,496,851.20, 149,103,559.20 and 73,385,383.40 is: 109,973,549.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,496,851.20 : 149,103,559.20 = 73,385,383.40 : x
  2. Step 2: Convert to fraction form
    99,496,851.20/149,103,559.20 = 73,385,383.40/x
  3. Step 3: Cross multiply
    99,496,851.20x = 149,103,559.20 × 73,385,383.40
  4. Step 4: Simplify right side
    99,496,851.20x = 10,942,021,858,196,598
  5. Step 5: Solve for x
    x = 10,942,021,858,196,598/99,496,851.20
  6. Step 6: Final answer
    x = 109,973,549.17

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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.