Home / 253,313,947.61-379,999,264.94-80,750,724.65

Finding the Fourth Proportional to 253,313,947.61, 379,999,264.94 and 80,750,724.65

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Solution

The fourth proportional to 253,313,947.61, 379,999,264.94 and 80,750,724.65 is: 121,135,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,313,947.61 : 379,999,264.94 = 80,750,724.65 : x
  2. Step 2: Convert to fraction form
    253,313,947.61/379,999,264.94 = 80,750,724.65/x
  3. Step 3: Cross multiply
    253,313,947.61x = 379,999,264.94 × 80,750,724.65
  4. Step 4: Simplify right side
    253,313,947.61x = 30,685,216,010,372,340
  5. Step 5: Solve for x
    x = 30,685,216,010,372,340/253,313,947.61
  6. Step 6: Final answer
    x = 121,135,122.25

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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.