Home / 219,765,204.60-329,695,046.10-66,426,761.40

Finding the Fourth Proportional to 219,765,204.60, 329,695,046.10 and 66,426,761.40

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Solution

The fourth proportional to 219,765,204.60, 329,695,046.10 and 66,426,761.40 is: 99,654,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,765,204.60 : 329,695,046.10 = 66,426,761.40 : x
  2. Step 2: Convert to fraction form
    219,765,204.60/329,695,046.10 = 66,426,761.40/x
  3. Step 3: Cross multiply
    219,765,204.60x = 329,695,046.10 × 66,426,761.40
  4. Step 4: Simplify right side
    219,765,204.60x = 21,900,574,162,046,700
  5. Step 5: Solve for x
    x = 21,900,574,162,046,700/219,765,204.60
  6. Step 6: Final answer
    x = 99,654,420.73

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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.