Home / 237,130,338.78-327,239,867.46-128,602,722.78

Finding the Fourth Proportional to 237,130,338.78, 327,239,867.46 and 128,602,722.78

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Solution

The fourth proportional to 237,130,338.78, 327,239,867.46 and 128,602,722.78 is: 177,471,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,130,338.78 : 327,239,867.46 = 128,602,722.78 : x
  2. Step 2: Convert to fraction form
    237,130,338.78/327,239,867.46 = 128,602,722.78/x
  3. Step 3: Cross multiply
    237,130,338.78x = 327,239,867.46 × 128,602,722.78
  4. Step 4: Simplify right side
    237,130,338.78x = 42,083,937,957,522,320
  5. Step 5: Solve for x
    x = 42,083,937,957,522,320/237,130,338.78
  6. Step 6: Final answer
    x = 177,471,757.41

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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.