Home / 221,337,672.40-332,006,508.60-129,504,667.60

Finding the Fourth Proportional to 221,337,672.40, 332,006,508.60 and 129,504,667.60

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Solution

The fourth proportional to 221,337,672.40, 332,006,508.60 and 129,504,667.60 is: 194,257,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,337,672.40 : 332,006,508.60 = 129,504,667.60 : x
  2. Step 2: Convert to fraction form
    221,337,672.40/332,006,508.60 = 129,504,667.60/x
  3. Step 3: Cross multiply
    221,337,672.40x = 332,006,508.60 × 129,504,667.60
  4. Step 4: Simplify right side
    221,337,672.40x = 42,996,392,537,279,544
  5. Step 5: Solve for x
    x = 42,996,392,537,279,544/221,337,672.40
  6. Step 6: Final answer
    x = 194,257,001.40

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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.