Home / 276,312,729.57-381,345,007.13-157,264,268.27

Finding the Fourth Proportional to 276,312,729.57, 381,345,007.13 and 157,264,268.27

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Solution

The fourth proportional to 276,312,729.57, 381,345,007.13 and 157,264,268.27 is: 217,043,722.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,312,729.57 : 381,345,007.13 = 157,264,268.27 : x
  2. Step 2: Convert to fraction form
    276,312,729.57/381,345,007.13 = 157,264,268.27/x
  3. Step 3: Cross multiply
    276,312,729.57x = 381,345,007.13 × 157,264,268.27
  4. Step 4: Simplify right side
    276,312,729.57x = 59,971,943,502,024,328
  5. Step 5: Solve for x
    x = 59,971,943,502,024,328/276,312,729.57
  6. Step 6: Final answer
    x = 217,043,722.87

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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.