Home / 135,390,532,376.31-203,086,663,980.42-39,776,160,114.61

Finding the Fourth Proportional to 135,390,532,376.31, 203,086,663,980.42 and 39,776,160,114.61

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Solution

The fourth proportional to 135,390,532,376.31, 203,086,663,980.42 and 39,776,160,114.61 is: 59,664,494,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,390,532,376.31 : 203,086,663,980.42 = 39,776,160,114.61 : x
  2. Step 2: Convert to fraction form
    135,390,532,376.31/203,086,663,980.42 = 39,776,160,114.61/x
  3. Step 3: Cross multiply
    135,390,532,376.31x = 203,086,663,980.42 × 39,776,160,114.61
  4. Step 4: Simplify right side
    135,390,532,376.31x = 8,078,007,663,627,185,684,480
  5. Step 5: Solve for x
    x = 8,078,007,663,627,185,684,480/135,390,532,376.31
  6. Step 6: Final answer
    x = 59,664,494,421.03

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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.