Home / 274,192,956.36-378,386,279.76-156,720,808.86

Finding the Fourth Proportional to 274,192,956.36, 378,386,279.76 and 156,720,808.86

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Solution

The fourth proportional to 274,192,956.36, 378,386,279.76 and 156,720,808.86 is: 216,274,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,192,956.36 : 378,386,279.76 = 156,720,808.86 : x
  2. Step 2: Convert to fraction form
    274,192,956.36/378,386,279.76 = 156,720,808.86/x
  3. Step 3: Cross multiply
    274,192,956.36x = 378,386,279.76 × 156,720,808.86
  4. Step 4: Simplify right side
    274,192,956.36x = 59,301,003,825,513,448
  5. Step 5: Solve for x
    x = 59,301,003,825,513,448/274,192,956.36
  6. Step 6: Final answer
    x = 216,274,716.22

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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.