Home / 84,666,862.94-126,959,211.20-49,661,540.06

Finding the Fourth Proportional to 84,666,862.94, 126,959,211.20 and 49,661,540.06

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Solution

The fourth proportional to 84,666,862.94, 126,959,211.20 and 49,661,540.06 is: 74,468,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,666,862.94 : 126,959,211.20 = 49,661,540.06 : x
  2. Step 2: Convert to fraction form
    84,666,862.94/126,959,211.20 = 49,661,540.06/x
  3. Step 3: Cross multiply
    84,666,862.94x = 126,959,211.20 × 49,661,540.06
  4. Step 4: Simplify right side
    84,666,862.94x = 6,304,989,952,484,158
  5. Step 5: Solve for x
    x = 6,304,989,952,484,158/84,666,862.94
  6. Step 6: Final answer
    x = 74,468,212.64

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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.