Home / 221,337,657.40-332,006,486.10-129,504,652.60

Finding the Fourth Proportional to 221,337,657.40, 332,006,486.10 and 129,504,652.60

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Solution

The fourth proportional to 221,337,657.40, 332,006,486.10 and 129,504,652.60 is: 194,256,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,337,657.40 : 332,006,486.10 = 129,504,652.60 : x
  2. Step 2: Convert to fraction form
    221,337,657.40/332,006,486.10 = 129,504,652.60/x
  3. Step 3: Cross multiply
    221,337,657.40x = 332,006,486.10 × 129,504,652.60
  4. Step 4: Simplify right side
    221,337,657.40x = 42,996,384,643,327,232
  5. Step 5: Solve for x
    x = 42,996,384,643,327,232/221,337,657.40
  6. Step 6: Final answer
    x = 194,256,978.90

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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.