Home / 78,436,244.60-117,668,731.89-32,352,974.64

Finding the Fourth Proportional to 78,436,244.60, 117,668,731.89 and 32,352,974.64

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Solution

The fourth proportional to 78,436,244.60, 117,668,731.89 and 32,352,974.64 is: 48,535,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,436,244.60 : 117,668,731.89 = 32,352,974.64 : x
  2. Step 2: Convert to fraction form
    78,436,244.60/117,668,731.89 = 32,352,974.64/x
  3. Step 3: Cross multiply
    78,436,244.60x = 117,668,731.89 × 32,352,974.64
  4. Step 4: Simplify right side
    78,436,244.60x = 3,806,933,498,879,453
  5. Step 5: Solve for x
    x = 3,806,933,498,879,453/78,436,244.60
  6. Step 6: Final answer
    x = 48,535,387.16

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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.