Home / 71,280,314.27-98,366,874.62-38,685,266.27

Finding the Fourth Proportional to 71,280,314.27, 98,366,874.62 and 38,685,266.27

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Solution

The fourth proportional to 71,280,314.27, 98,366,874.62 and 38,685,266.27 is: 53,385,689.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280,314.27 : 98,366,874.62 = 38,685,266.27 : x
  2. Step 2: Convert to fraction form
    71,280,314.27/98,366,874.62 = 38,685,266.27/x
  3. Step 3: Cross multiply
    71,280,314.27x = 98,366,874.62 × 38,685,266.27
  4. Step 4: Simplify right side
    71,280,314.27x = 3,805,348,736,822,405.50
  5. Step 5: Solve for x
    x = 3,805,348,736,822,405.50/71,280,314.27
  6. Step 6: Final answer
    x = 53,385,689.66

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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.