Home / 165,095,359.70-247,643,039.55-126,949,414.10

Finding the Fourth Proportional to 165,095,359.70, 247,643,039.55 and 126,949,414.10

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Solution

The fourth proportional to 165,095,359.70, 247,643,039.55 and 126,949,414.10 is: 190,424,121.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,095,359.70 : 247,643,039.55 = 126,949,414.10 : x
  2. Step 2: Convert to fraction form
    165,095,359.70/247,643,039.55 = 126,949,414.10/x
  3. Step 3: Cross multiply
    165,095,359.70x = 247,643,039.55 × 126,949,414.10
  4. Step 4: Simplify right side
    165,095,359.70x = 31,438,138,776,815,628
  5. Step 5: Solve for x
    x = 31,438,138,776,815,628/165,095,359.70
  6. Step 6: Final answer
    x = 190,424,121.15

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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.