Home / 71,280,637.83-98,367,320.57-38,685,589.83

Finding the Fourth Proportional to 71,280,637.83, 98,367,320.57 and 38,685,589.83

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Solution

The fourth proportional to 71,280,637.83, 98,367,320.57 and 38,685,589.83 is: 53,386,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,280,637.83 : 98,367,320.57 = 38,685,589.83 : x
  2. Step 2: Convert to fraction form
    71,280,637.83/98,367,320.57 = 38,685,589.83/x
  3. Step 3: Cross multiply
    71,280,637.83x = 98,367,320.57 × 38,685,589.83
  4. Step 4: Simplify right side
    71,280,637.83x = 3,805,397,816,053,713.50
  5. Step 5: Solve for x
    x = 3,805,397,816,053,713.50/71,280,637.83
  6. Step 6: Final answer
    x = 53,386,135.87

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1.5x scale

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.