Home / 78,029,575.40-117,044,363.10-50,819,796.20

Finding the Fourth Proportional to 78,029,575.40, 117,044,363.10 and 50,819,796.20

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Solution

The fourth proportional to 78,029,575.40, 117,044,363.10 and 50,819,796.20 is: 76,229,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,029,575.40 : 117,044,363.10 = 50,819,796.20 : x
  2. Step 2: Convert to fraction form
    78,029,575.40/117,044,363.10 = 50,819,796.20/x
  3. Step 3: Cross multiply
    78,029,575.40x = 117,044,363.10 × 50,819,796.20
  4. Step 4: Simplify right side
    78,029,575.40x = 5,948,170,679,100,800
  5. Step 5: Solve for x
    x = 5,948,170,679,100,800/78,029,575.40
  6. Step 6: Final answer
    x = 76,229,694.30

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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.