Home / 129,591,625.40-194,525,766.87-55,851,796.74

Finding the Fourth Proportional to 129,591,625.40, 194,525,766.87 and 55,851,796.74

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Solution

The fourth proportional to 129,591,625.40, 194,525,766.87 and 55,851,796.74 is: 83,837,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,591,625.40 : 194,525,766.87 = 55,851,796.74 : x
  2. Step 2: Convert to fraction form
    129,591,625.40/194,525,766.87 = 55,851,796.74/x
  3. Step 3: Cross multiply
    129,591,625.40x = 194,525,766.87 × 55,851,796.74
  4. Step 4: Simplify right side
    129,591,625.40x = 10,864,613,591,915,866
  5. Step 5: Solve for x
    x = 10,864,613,591,915,866/129,591,625.40
  6. Step 6: Final answer
    x = 83,837,312.47

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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.