Home / 71,280,315.27-98,366,876-38,685,267.27

Finding the Fourth Proportional to 71,280,315.27, 98,366,876 and 38,685,267.27

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Solution

The fourth proportional to 71,280,315.27, 98,366,876 and 38,685,267.27 is: 53,385,691.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280,315.27 : 98,366,876 = 38,685,267.27 : x
  2. Step 2: Convert to fraction form
    71,280,315.27/98,366,876 = 38,685,267.27/x
  3. Step 3: Cross multiply
    71,280,315.27x = 98,366,876 × 38,685,267.27
  4. Step 4: Simplify right side
    71,280,315.27x = 3,805,348,888,574,949
  5. Step 5: Solve for x
    x = 3,805,348,888,574,949/71,280,315.27
  6. Step 6: Final answer
    x = 53,385,691.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.