Home / 295,246,277.60-442,869,416.40-90,747,780.80

Finding the Fourth Proportional to 295,246,277.60, 442,869,416.40 and 90,747,780.80

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Solution

The fourth proportional to 295,246,277.60, 442,869,416.40 and 90,747,780.80 is: 136,121,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,246,277.60 : 442,869,416.40 = 90,747,780.80 : x
  2. Step 2: Convert to fraction form
    295,246,277.60/442,869,416.40 = 90,747,780.80/x
  3. Step 3: Cross multiply
    295,246,277.60x = 442,869,416.40 × 90,747,780.80
  4. Step 4: Simplify right side
    295,246,277.60x = 40,189,416,722,491,120
  5. Step 5: Solve for x
    x = 40,189,416,722,491,120/295,246,277.60
  6. Step 6: Final answer
    x = 136,121,671.20

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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.