Home / 75,341,134.70-113,011,702.05-72,471,353.30

Finding the Fourth Proportional to 75,341,134.70, 113,011,702.05 and 72,471,353.30

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Solution

The fourth proportional to 75,341,134.70, 113,011,702.05 and 72,471,353.30 is: 108,707,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,341,134.70 : 113,011,702.05 = 72,471,353.30 : x
  2. Step 2: Convert to fraction form
    75,341,134.70/113,011,702.05 = 72,471,353.30/x
  3. Step 3: Cross multiply
    75,341,134.70x = 113,011,702.05 × 72,471,353.30
  4. Step 4: Simplify right side
    75,341,134.70x = 8,190,110,986,299,884
  5. Step 5: Solve for x
    x = 8,190,110,986,299,884/75,341,134.70
  6. Step 6: Final answer
    x = 108,707,029.95

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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.