Home / 276,312,858.66-381,345,185.52-157,264,397.64

Finding the Fourth Proportional to 276,312,858.66, 381,345,185.52 and 157,264,397.64

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Solution

The fourth proportional to 276,312,858.66, 381,345,185.52 and 157,264,397.64 is: 217,043,901.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,312,858.66 : 381,345,185.52 = 157,264,397.64 : x
  2. Step 2: Convert to fraction form
    276,312,858.66/381,345,185.52 = 157,264,397.64/x
  3. Step 3: Cross multiply
    276,312,858.66x = 381,345,185.52 × 157,264,397.64
  4. Step 4: Simplify right side
    276,312,858.66x = 59,972,020,893,716,840
  5. Step 5: Solve for x
    x = 59,972,020,893,716,840/276,312,858.66
  6. Step 6: Final answer
    x = 217,043,901.56

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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.