Home / 295,246,479.60-442,869,719.40-90,747,982.80

Finding the Fourth Proportional to 295,246,479.60, 442,869,719.40 and 90,747,982.80

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Solution

The fourth proportional to 295,246,479.60, 442,869,719.40 and 90,747,982.80 is: 136,121,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,246,479.60 : 442,869,719.40 = 90,747,982.80 : x
  2. Step 2: Convert to fraction form
    295,246,479.60/442,869,719.40 = 90,747,982.80/x
  3. Step 3: Cross multiply
    295,246,479.60x = 442,869,719.40 × 90,747,982.80
  4. Step 4: Simplify right side
    295,246,479.60x = 40,189,533,678,752,024
  5. Step 5: Solve for x
    x = 40,189,533,678,752,024/295,246,479.60
  6. Step 6: Final answer
    x = 136,121,974.20

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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.