Home / 295,245,309.60-442,867,964.40-90,746,812.80

Finding the Fourth Proportional to 295,245,309.60, 442,867,964.40 and 90,746,812.80

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Solution

The fourth proportional to 295,245,309.60, 442,867,964.40 and 90,746,812.80 is: 136,120,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,309.60 : 442,867,964.40 = 90,746,812.80 : x
  2. Step 2: Convert to fraction form
    295,245,309.60/442,867,964.40 = 90,746,812.80/x
  3. Step 3: Cross multiply
    295,245,309.60x = 442,867,964.40 × 90,746,812.80
  4. Step 4: Simplify right side
    295,245,309.60x = 40,188,856,260,523,864
  5. Step 5: Solve for x
    x = 40,188,856,260,523,864/295,245,309.60
  6. Step 6: Final answer
    x = 136,120,219.20

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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.