Home / 83,033,864.40-124,550,796.60-31,917,550.80

Finding the Fourth Proportional to 83,033,864.40, 124,550,796.60 and 31,917,550.80

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Solution

The fourth proportional to 83,033,864.40, 124,550,796.60 and 31,917,550.80 is: 47,876,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,033,864.40 : 124,550,796.60 = 31,917,550.80 : x
  2. Step 2: Convert to fraction form
    83,033,864.40/124,550,796.60 = 31,917,550.80/x
  3. Step 3: Cross multiply
    83,033,864.40x = 124,550,796.60 × 31,917,550.80
  4. Step 4: Simplify right side
    83,033,864.40x = 3,975,356,377,660,967
  5. Step 5: Solve for x
    x = 3,975,356,377,660,967/83,033,864.40
  6. Step 6: Final answer
    x = 47,876,326.20

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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.