Home / 276,312,736.62-381,345,016.84-157,264,275.30

Finding the Fourth Proportional to 276,312,736.62, 381,345,016.84 and 157,264,275.30

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Solution

The fourth proportional to 276,312,736.62, 381,345,016.84 and 157,264,275.30 is: 217,043,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,312,736.62 : 381,345,016.84 = 157,264,275.30 : x
  2. Step 2: Convert to fraction form
    276,312,736.62/381,345,016.84 = 157,264,275.30/x
  3. Step 3: Cross multiply
    276,312,736.62x = 381,345,016.84 × 157,264,275.30
  4. Step 4: Simplify right side
    276,312,736.62x = 59,971,947,712,729,272
  5. Step 5: Solve for x
    x = 59,971,947,712,729,272/276,312,736.62
  6. Step 6: Final answer
    x = 217,043,732.57

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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.