Home / 120,348,469.84-166,081,552.04-65,344,327.92

Finding the Fourth Proportional to 120,348,469.84, 166,081,552.04 and 65,344,327.92

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Solution

The fourth proportional to 120,348,469.84, 166,081,552.04 and 65,344,327.92 is: 90,175,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,348,469.84 : 166,081,552.04 = 65,344,327.92 : x
  2. Step 2: Convert to fraction form
    120,348,469.84/166,081,552.04 = 65,344,327.92/x
  3. Step 3: Cross multiply
    120,348,469.84x = 166,081,552.04 × 65,344,327.92
  4. Step 4: Simplify right side
    120,348,469.84x = 10,852,487,397,964,304
  5. Step 5: Solve for x
    x = 10,852,487,397,964,304/120,348,469.84
  6. Step 6: Final answer
    x = 90,175,532.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.