Home / 78,572,227.87-108,421,382.27-45,542,837.62

Finding the Fourth Proportional to 78,572,227.87, 108,421,382.27 and 45,542,837.62

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Solution

The fourth proportional to 78,572,227.87, 108,421,382.27 and 45,542,837.62 is: 62,844,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,572,227.87 : 108,421,382.27 = 45,542,837.62 : x
  2. Step 2: Convert to fraction form
    78,572,227.87/108,421,382.27 = 45,542,837.62/x
  3. Step 3: Cross multiply
    78,572,227.87x = 108,421,382.27 × 45,542,837.62
  4. Step 4: Simplify right side
    78,572,227.87x = 4,937,817,406,488,736
  5. Step 5: Solve for x
    x = 4,937,817,406,488,736/78,572,227.87
  6. Step 6: Final answer
    x = 62,844,309.51

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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.