Home / 107,839,363.20-161,759,044.80-47,373,187.20

Finding the Fourth Proportional to 107,839,363.20, 161,759,044.80 and 47,373,187.20

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Solution

The fourth proportional to 107,839,363.20, 161,759,044.80 and 47,373,187.20 is: 71,059,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,839,363.20 : 161,759,044.80 = 47,373,187.20 : x
  2. Step 2: Convert to fraction form
    107,839,363.20/161,759,044.80 = 47,373,187.20/x
  3. Step 3: Cross multiply
    107,839,363.20x = 161,759,044.80 × 47,373,187.20
  4. Step 4: Simplify right side
    107,839,363.20x = 7,663,041,510,603,588
  5. Step 5: Solve for x
    x = 7,663,041,510,603,588/107,839,363.20
  6. Step 6: Final answer
    x = 71,059,780.80

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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.