Home / 76,253,221.75-105,280,121.48-58,580,649.54

Finding the Fourth Proportional to 76,253,221.75, 105,280,121.48 and 58,580,649.54

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Solution

The fourth proportional to 76,253,221.75, 105,280,121.48 and 58,580,649.54 is: 80,880,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,253,221.75 : 105,280,121.48 = 58,580,649.54 : x
  2. Step 2: Convert to fraction form
    76,253,221.75/105,280,121.48 = 58,580,649.54/x
  3. Step 3: Cross multiply
    76,253,221.75x = 105,280,121.48 × 58,580,649.54
  4. Step 4: Simplify right side
    76,253,221.75x = 6,167,377,899,948,506
  5. Step 5: Solve for x
    x = 6,167,377,899,948,506/76,253,221.75
  6. Step 6: Final answer
    x = 80,880,227.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.