Home / 76,039,403.80-114,059,105.70-71,560,427.80

Finding the Fourth Proportional to 76,039,403.80, 114,059,105.70 and 71,560,427.80

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Solution

The fourth proportional to 76,039,403.80, 114,059,105.70 and 71,560,427.80 is: 107,340,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,039,403.80 : 114,059,105.70 = 71,560,427.80 : x
  2. Step 2: Convert to fraction form
    76,039,403.80/114,059,105.70 = 71,560,427.80/x
  3. Step 3: Cross multiply
    76,039,403.80x = 114,059,105.70 × 71,560,427.80
  4. Step 4: Simplify right side
    76,039,403.80x = 8,162,118,398,377,418
  5. Step 5: Solve for x
    x = 8,162,118,398,377,418/76,039,403.80
  6. Step 6: Final answer
    x = 107,340,641.70

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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.