Home / 88,176,754.50-121,504,466.72-68,209,213.97

Finding the Fourth Proportional to 88,176,754.50, 121,504,466.72 and 68,209,213.97

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Solution

The fourth proportional to 88,176,754.50, 121,504,466.72 and 68,209,213.97 is: 93,989,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,176,754.50 : 121,504,466.72 = 68,209,213.97 : x
  2. Step 2: Convert to fraction form
    88,176,754.50/121,504,466.72 = 68,209,213.97/x
  3. Step 3: Cross multiply
    88,176,754.50x = 121,504,466.72 × 68,209,213.97
  4. Step 4: Simplify right side
    88,176,754.50x = 8,287,724,167,866,656
  5. Step 5: Solve for x
    x = 8,287,724,167,866,656/88,176,754.50
  6. Step 6: Final answer
    x = 93,989,898.07

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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.