Home / 237,130,339.78-327,239,868.84-128,602,723.78

Finding the Fourth Proportional to 237,130,339.78, 327,239,868.84 and 128,602,723.78

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Solution

The fourth proportional to 237,130,339.78, 327,239,868.84 and 128,602,723.78 is: 177,471,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,130,339.78 : 327,239,868.84 = 128,602,723.78 : x
  2. Step 2: Convert to fraction form
    237,130,339.78/327,239,868.84 = 128,602,723.78/x
  3. Step 3: Cross multiply
    237,130,339.78x = 327,239,868.84 × 128,602,723.78
  4. Step 4: Simplify right side
    237,130,339.78x = 42,083,938,462,233,944
  5. Step 5: Solve for x
    x = 42,083,938,462,233,944/237,130,339.78
  6. Step 6: Final answer
    x = 177,471,758.79

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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.