Home / 151,746,313.12-209,387,623.20-84,757,016.80

Finding the Fourth Proportional to 151,746,313.12, 209,387,623.20 and 84,757,016.80

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Solution

The fourth proportional to 151,746,313.12, 209,387,623.20 and 84,757,016.80 is: 116,952,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,746,313.12 : 209,387,623.20 = 84,757,016.80 : x
  2. Step 2: Convert to fraction form
    151,746,313.12/209,387,623.20 = 84,757,016.80/x
  3. Step 3: Cross multiply
    151,746,313.12x = 209,387,623.20 × 84,757,016.80
  4. Step 4: Simplify right side
    151,746,313.12x = 17,747,070,297,274,468
  5. Step 5: Solve for x
    x = 17,747,070,297,274,468/151,746,313.12
  6. Step 6: Final answer
    x = 116,952,233.85

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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.