Home / 131,914,390,438.54-197,781,252,451.53-67,176,764,745.31

Finding the Fourth Proportional to 131,914,390,438.54, 197,781,252,451.53 and 67,176,764,745.31

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Solution

The fourth proportional to 131,914,390,438.54, 197,781,252,451.53 and 67,176,764,745.31 is: 100,719,145,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,914,390,438.54 : 197,781,252,451.53 = 67,176,764,745.31 : x
  2. Step 2: Convert to fraction form
    131,914,390,438.54/197,781,252,451.53 = 67,176,764,745.31/x
  3. Step 3: Cross multiply
    131,914,390,438.54x = 197,781,252,451.53 × 67,176,764,745.31
  4. Step 4: Simplify right side
    131,914,390,438.54x = 13,286,304,666,969,196,986,368
  5. Step 5: Solve for x
    x = 13,286,304,666,969,196,986,368/131,914,390,438.54
  6. Step 6: Final answer
    x = 100,719,145,369.96

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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.