Home / 91,867,611.80-137,801,417.70-91,229,882.60

Finding the Fourth Proportional to 91,867,611.80, 137,801,417.70 and 91,229,882.60

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Solution

The fourth proportional to 91,867,611.80, 137,801,417.70 and 91,229,882.60 is: 136,844,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,867,611.80 : 137,801,417.70 = 91,229,882.60 : x
  2. Step 2: Convert to fraction form
    91,867,611.80/137,801,417.70 = 91,229,882.60/x
  3. Step 3: Cross multiply
    91,867,611.80x = 137,801,417.70 × 91,229,882.60
  4. Step 4: Simplify right side
    91,867,611.80x = 12,571,607,158,884,560
  5. Step 5: Solve for x
    x = 12,571,607,158,884,560/91,867,611.80
  6. Step 6: Final answer
    x = 136,844,823.90

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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.