Home / 71,291,220.88-98,379,338.98-40,350,725.86

Finding the Fourth Proportional to 71,291,220.88, 98,379,338.98 and 40,350,725.86

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Solution

The fourth proportional to 71,291,220.88, 98,379,338.98 and 40,350,725.86 is: 55,682,560.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,291,220.88 : 98,379,338.98 = 40,350,725.86 : x
  2. Step 2: Convert to fraction form
    71,291,220.88/98,379,338.98 = 40,350,725.86/x
  3. Step 3: Cross multiply
    71,291,220.88x = 98,379,338.98 × 40,350,725.86
  4. Step 4: Simplify right side
    71,291,220.88x = 3,969,677,736,776,341
  5. Step 5: Solve for x
    x = 3,969,677,736,776,341/71,291,220.88
  6. Step 6: Final answer
    x = 55,682,560.74

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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.