Home / 238,025,110.20-357,037,665.30-220,806,421.80

Finding the Fourth Proportional to 238,025,110.20, 357,037,665.30 and 220,806,421.80

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Solution

The fourth proportional to 238,025,110.20, 357,037,665.30 and 220,806,421.80 is: 331,209,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,025,110.20 : 357,037,665.30 = 220,806,421.80 : x
  2. Step 2: Convert to fraction form
    238,025,110.20/357,037,665.30 = 220,806,421.80/x
  3. Step 3: Cross multiply
    238,025,110.20x = 357,037,665.30 × 220,806,421.80
  4. Step 4: Simplify right side
    238,025,110.20x = 78,836,209,322,719,024
  5. Step 5: Solve for x
    x = 78,836,209,322,719,024/238,025,110.20
  6. Step 6: Final answer
    x = 331,209,632.70

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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.