Home / 135,390,532,378.55-203,086,663,983.78-39,776,160,116.84

Finding the Fourth Proportional to 135,390,532,378.55, 203,086,663,983.78 and 39,776,160,116.84

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Solution

The fourth proportional to 135,390,532,378.55, 203,086,663,983.78 and 39,776,160,116.84 is: 59,664,494,424.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,390,532,378.55 : 203,086,663,983.78 = 39,776,160,116.84 : x
  2. Step 2: Convert to fraction form
    135,390,532,378.55/203,086,663,983.78 = 39,776,160,116.84/x
  3. Step 3: Cross multiply
    135,390,532,378.55x = 203,086,663,983.78 × 39,776,160,116.84
  4. Step 4: Simplify right side
    135,390,532,378.55x = 8,078,007,664,213,716,107,264
  5. Step 5: Solve for x
    x = 8,078,007,664,213,716,107,264/135,390,532,378.55
  6. Step 6: Final answer
    x = 59,664,494,424.38

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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.