Home / 84,414,639.68-126,618,036.96-35,210,185.28

Finding the Fourth Proportional to 84,414,639.68, 126,618,036.96 and 35,210,185.28

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Solution

The fourth proportional to 84,414,639.68, 126,618,036.96 and 35,210,185.28 is: 52,813,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,414,639.68 : 126,618,036.96 = 35,210,185.28 : x
  2. Step 2: Convert to fraction form
    84,414,639.68/126,618,036.96 = 35,210,185.28/x
  3. Step 3: Cross multiply
    84,414,639.68x = 126,618,036.96 × 35,210,185.28
  4. Step 4: Simplify right side
    84,414,639.68x = 4,458,244,541,151,488
  5. Step 5: Solve for x
    x = 4,458,244,541,151,488/84,414,639.68
  6. Step 6: Final answer
    x = 52,813,641.78

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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.