Home / 227,931,310.54-314,510,424.24-128,775,879.13

Finding the Fourth Proportional to 227,931,310.54, 314,510,424.24 and 128,775,879.13

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Solution

The fourth proportional to 227,931,310.54, 314,510,424.24 and 128,775,879.13 is: 177,691,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,931,310.54 : 314,510,424.24 = 128,775,879.13 : x
  2. Step 2: Convert to fraction form
    227,931,310.54/314,510,424.24 = 128,775,879.13/x
  3. Step 3: Cross multiply
    227,931,310.54x = 314,510,424.24 × 128,775,879.13
  4. Step 4: Simplify right side
    227,931,310.54x = 40,501,356,377,055,264
  5. Step 5: Solve for x
    x = 40,501,356,377,055,264/227,931,310.54
  6. Step 6: Final answer
    x = 177,691,060.88

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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.