Home / 252,736,005.60-379,104,008.40-211,921,336.80

Finding the Fourth Proportional to 252,736,005.60, 379,104,008.40 and 211,921,336.80

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Solution

The fourth proportional to 252,736,005.60, 379,104,008.40 and 211,921,336.80 is: 317,882,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,736,005.60 : 379,104,008.40 = 211,921,336.80 : x
  2. Step 2: Convert to fraction form
    252,736,005.60/379,104,008.40 = 211,921,336.80/x
  3. Step 3: Cross multiply
    252,736,005.60x = 379,104,008.40 × 211,921,336.80
  4. Step 4: Simplify right side
    252,736,005.60x = 80,340,228,246,366,432
  5. Step 5: Solve for x
    x = 80,340,228,246,366,432/252,736,005.60
  6. Step 6: Final answer
    x = 317,882,005.20

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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.