Home / 84,187,301.70-126,280,952.55-47,907,596.10

Finding the Fourth Proportional to 84,187,301.70, 126,280,952.55 and 47,907,596.10

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Solution

The fourth proportional to 84,187,301.70, 126,280,952.55 and 47,907,596.10 is: 71,861,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,187,301.70 : 126,280,952.55 = 47,907,596.10 : x
  2. Step 2: Convert to fraction form
    84,187,301.70/126,280,952.55 = 47,907,596.10/x
  3. Step 3: Cross multiply
    84,187,301.70x = 126,280,952.55 × 47,907,596.10
  4. Step 4: Simplify right side
    84,187,301.70x = 6,049,816,869,888,665
  5. Step 5: Solve for x
    x = 6,049,816,869,888,665/84,187,301.70
  6. Step 6: Final answer
    x = 71,861,394.15

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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.