Home / 177,890,724.05-245,491,705.80-102,495,382.97

Finding the Fourth Proportional to 177,890,724.05, 245,491,705.80 and 102,495,382.97

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Solution

The fourth proportional to 177,890,724.05, 245,491,705.80 and 102,495,382.97 is: 141,445,072.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,890,724.05 : 245,491,705.80 = 102,495,382.97 : x
  2. Step 2: Convert to fraction form
    177,890,724.05/245,491,705.80 = 102,495,382.97/x
  3. Step 3: Cross multiply
    177,890,724.05x = 245,491,705.80 × 102,495,382.97
  4. Step 4: Simplify right side
    177,890,724.05x = 25,161,766,400,702,112
  5. Step 5: Solve for x
    x = 25,161,766,400,702,112/177,890,724.05
  6. Step 6: Final answer
    x = 141,445,072.73

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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.