Home / 178,139,005.38-267,253,015.14-125,719,028.55

Finding the Fourth Proportional to 178,139,005.38, 267,253,015.14 and 125,719,028.55

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Solution

The fourth proportional to 178,139,005.38, 267,253,015.14 and 125,719,028.55 is: 188,609,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,139,005.38 : 267,253,015.14 = 125,719,028.55 : x
  2. Step 2: Convert to fraction form
    178,139,005.38/267,253,015.14 = 125,719,028.55/x
  3. Step 3: Cross multiply
    178,139,005.38x = 267,253,015.14 × 125,719,028.55
  4. Step 4: Simplify right side
    178,139,005.38x = 33,598,789,440,459,240
  5. Step 5: Solve for x
    x = 33,598,789,440,459,240/178,139,005.38
  6. Step 6: Final answer
    x = 188,609,953.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.