Home / 221,392,654.05-332,230,698.68-129,276,214.05

Finding the Fourth Proportional to 221,392,654.05, 332,230,698.68 and 129,276,214.05

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Solution

The fourth proportional to 221,392,654.05, 332,230,698.68 and 129,276,214.05 is: 193,997,073.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,392,654.05 : 332,230,698.68 = 129,276,214.05 : x
  2. Step 2: Convert to fraction form
    221,392,654.05/332,230,698.68 = 129,276,214.05/x
  3. Step 3: Cross multiply
    221,392,654.05x = 332,230,698.68 × 129,276,214.05
  4. Step 4: Simplify right side
    221,392,654.05x = 42,949,526,915,890,352
  5. Step 5: Solve for x
    x = 42,949,526,915,890,352/221,392,654.05
  6. Step 6: Final answer
    x = 193,997,073.21

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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.