Home / 79,945,919.52-119,963,220.75-39,005,695.14

Finding the Fourth Proportional to 79,945,919.52, 119,963,220.75 and 39,005,695.14

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Solution

The fourth proportional to 79,945,919.52, 119,963,220.75 and 39,005,695.14 is: 58,530,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,945,919.52 : 119,963,220.75 = 39,005,695.14 : x
  2. Step 2: Convert to fraction form
    79,945,919.52/119,963,220.75 = 39,005,695.14/x
  3. Step 3: Cross multiply
    79,945,919.52x = 119,963,220.75 × 39,005,695.14
  4. Step 4: Simplify right side
    79,945,919.52x = 4,679,248,816,587,022
  5. Step 5: Solve for x
    x = 4,679,248,816,587,022/79,945,919.52
  6. Step 6: Final answer
    x = 58,530,176.96

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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.