Home / 251,062,627.18-376,639,396.39-103,428,144.39

Finding the Fourth Proportional to 251,062,627.18, 376,639,396.39 and 103,428,144.39

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Solution

The fourth proportional to 251,062,627.18, 376,639,396.39 and 103,428,144.39 is: 155,160,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,062,627.18 : 376,639,396.39 = 103,428,144.39 : x
  2. Step 2: Convert to fraction form
    251,062,627.18/376,639,396.39 = 103,428,144.39/x
  3. Step 3: Cross multiply
    251,062,627.18x = 376,639,396.39 × 103,428,144.39
  4. Step 4: Simplify right side
    251,062,627.18x = 38,955,113,871,218,008
  5. Step 5: Solve for x
    x = 38,955,113,871,218,008/251,062,627.18
  6. Step 6: Final answer
    x = 155,160,942.55

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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.