Home / 127,625,375.80-191,485,302.90-51,003,393.40

Finding the Fourth Proportional to 127,625,375.80, 191,485,302.90 and 51,003,393.40

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Solution

The fourth proportional to 127,625,375.80, 191,485,302.90 and 51,003,393.40 is: 76,523,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,625,375.80 : 191,485,302.90 = 51,003,393.40 : x
  2. Step 2: Convert to fraction form
    127,625,375.80/191,485,302.90 = 51,003,393.40/x
  3. Step 3: Cross multiply
    127,625,375.80x = 191,485,302.90 × 51,003,393.40
  4. Step 4: Simplify right side
    127,625,375.80x = 9,766,400,234,126,860
  5. Step 5: Solve for x
    x = 9,766,400,234,126,860/127,625,375.80
  6. Step 6: Final answer
    x = 76,523,968.47

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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.