Home / 83,676,391.88-115,451,975.43-48,849,069.33

Finding the Fourth Proportional to 83,676,391.88, 115,451,975.43 and 48,849,069.33

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Solution

The fourth proportional to 83,676,391.88, 115,451,975.43 and 48,849,069.33 is: 67,399,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,676,391.88 : 115,451,975.43 = 48,849,069.33 : x
  2. Step 2: Convert to fraction form
    83,676,391.88/115,451,975.43 = 48,849,069.33/x
  3. Step 3: Cross multiply
    83,676,391.88x = 115,451,975.43 × 48,849,069.33
  4. Step 4: Simplify right side
    83,676,391.88x = 5,639,721,552,065,527
  5. Step 5: Solve for x
    x = 5,639,721,552,065,527/83,676,391.88
  6. Step 6: Final answer
    x = 67,399,196.19

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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.