Home / 100,778,092.62-139,096,451.88-65,950,604.88

Finding the Fourth Proportional to 100,778,092.62, 139,096,451.88 and 65,950,604.88

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Solution

The fourth proportional to 100,778,092.62, 139,096,451.88 and 65,950,604.88 is: 91,026,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,778,092.62 : 139,096,451.88 = 65,950,604.88 : x
  2. Step 2: Convert to fraction form
    100,778,092.62/139,096,451.88 = 65,950,604.88/x
  3. Step 3: Cross multiply
    100,778,092.62x = 139,096,451.88 × 65,950,604.88
  4. Step 4: Simplify right side
    100,778,092.62x = 9,173,495,138,147,814
  5. Step 5: Solve for x
    x = 9,173,495,138,147,814/100,778,092.62
  6. Step 6: Final answer
    x = 91,026,679.51

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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.