Home / 54,190,285.75-74,772,947.19-30,668,711.95

Finding the Fourth Proportional to 54,190,285.75, 74,772,947.19 and 30,668,711.95

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Solution

The fourth proportional to 54,190,285.75, 74,772,947.19 and 30,668,711.95 is: 42,317,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,190,285.75 : 74,772,947.19 = 30,668,711.95 : x
  2. Step 2: Convert to fraction form
    54,190,285.75/74,772,947.19 = 30,668,711.95/x
  3. Step 3: Cross multiply
    54,190,285.75x = 74,772,947.19 × 30,668,711.95
  4. Step 4: Simplify right side
    54,190,285.75x = 2,293,189,979,022,672
  5. Step 5: Solve for x
    x = 2,293,189,979,022,672/54,190,285.75
  6. Step 6: Final answer
    x = 42,317,362.74

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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.