Home / 78,436,246.60-117,668,734.90-32,352,976.64

Finding the Fourth Proportional to 78,436,246.60, 117,668,734.90 and 32,352,976.64

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Solution

The fourth proportional to 78,436,246.60, 117,668,734.90 and 32,352,976.64 is: 48,535,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,436,246.60 : 117,668,734.90 = 32,352,976.64 : x
  2. Step 2: Convert to fraction form
    78,436,246.60/117,668,734.90 = 32,352,976.64/x
  3. Step 3: Cross multiply
    78,436,246.60x = 117,668,734.90 × 32,352,976.64
  4. Step 4: Simplify right side
    78,436,246.60x = 3,806,933,831,478,053
  5. Step 5: Solve for x
    x = 3,806,933,831,478,053/78,436,246.60
  6. Step 6: Final answer
    x = 48,535,390.16

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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.