Home / 135,390,532,377.31-203,086,663,981.92-39,776,160,115.61

Finding the Fourth Proportional to 135,390,532,377.31, 203,086,663,981.92 and 39,776,160,115.61

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Solution

The fourth proportional to 135,390,532,377.31, 203,086,663,981.92 and 39,776,160,115.61 is: 59,664,494,422.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,390,532,377.31 : 203,086,663,981.92 = 39,776,160,115.61 : x
  2. Step 2: Convert to fraction form
    135,390,532,377.31/203,086,663,981.92 = 39,776,160,115.61/x
  3. Step 3: Cross multiply
    135,390,532,377.31x = 203,086,663,981.92 × 39,776,160,115.61
  4. Step 4: Simplify right side
    135,390,532,377.31x = 8,078,007,663,889,936,809,984
  5. Step 5: Solve for x
    x = 8,078,007,663,889,936,809,984/135,390,532,377.31
  6. Step 6: Final answer
    x = 59,664,494,422.53

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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.