Home / 143,919,065.20-215,865,213.30-40,297,649.32

Finding the Fourth Proportional to 143,919,065.20, 215,865,213.30 and 40,297,649.32

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Solution

The fourth proportional to 143,919,065.20, 215,865,213.30 and 40,297,649.32 is: 60,442,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,919,065.20 : 215,865,213.30 = 40,297,649.32 : x
  2. Step 2: Convert to fraction form
    143,919,065.20/215,865,213.30 = 40,297,649.32/x
  3. Step 3: Cross multiply
    143,919,065.20x = 215,865,213.30 × 40,297,649.32
  4. Step 4: Simplify right side
    143,919,065.20x = 8,698,860,665,950,401
  5. Step 5: Solve for x
    x = 8,698,860,665,950,401/143,919,065.20
  6. Step 6: Final answer
    x = 60,442,726.29

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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.