Home / 238,024,807.70-357,037,211.55-220,806,119.30

Finding the Fourth Proportional to 238,024,807.70, 357,037,211.55 and 220,806,119.30

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Solution

The fourth proportional to 238,024,807.70, 357,037,211.55 and 220,806,119.30 is: 331,209,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,024,807.70 : 357,037,211.55 = 220,806,119.30 : x
  2. Step 2: Convert to fraction form
    238,024,807.70/357,037,211.55 = 220,806,119.30/x
  3. Step 3: Cross multiply
    238,024,807.70x = 357,037,211.55 × 220,806,119.30
  4. Step 4: Simplify right side
    238,024,807.70x = 78,836,001,128,048,640
  5. Step 5: Solve for x
    x = 78,836,001,128,048,640/238,024,807.70
  6. Step 6: Final answer
    x = 331,209,178.95

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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.