Home / 91,065,789.20-136,551,444.60-33,528,443.60

Finding the Fourth Proportional to 91,065,789.20, 136,551,444.60 and 33,528,443.60

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Solution

The fourth proportional to 91,065,789.20, 136,551,444.60 and 33,528,443.60 is: 50,275,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,065,789.20 : 136,551,444.60 = 33,528,443.60 : x
  2. Step 2: Convert to fraction form
    91,065,789.20/136,551,444.60 = 33,528,443.60/x
  3. Step 3: Cross multiply
    91,065,789.20x = 136,551,444.60 × 33,528,443.60
  4. Step 4: Simplify right side
    91,065,789.20x = 4,578,357,408,769,625
  5. Step 5: Solve for x
    x = 4,578,357,408,769,625/91,065,789.20
  6. Step 6: Final answer
    x = 50,275,272.95

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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.