Home / 100,900,792.21-139,243,087.92-54,491,041.66

Finding the Fourth Proportional to 100,900,792.21, 139,243,087.92 and 54,491,041.66

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Solution

The fourth proportional to 100,900,792.21, 139,243,087.92 and 54,491,041.66 is: 75,197,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,900,792.21 : 139,243,087.92 = 54,491,041.66 : x
  2. Step 2: Convert to fraction form
    100,900,792.21/139,243,087.92 = 54,491,041.66/x
  3. Step 3: Cross multiply
    100,900,792.21x = 139,243,087.92 × 54,491,041.66
  4. Step 4: Simplify right side
    100,900,792.21x = 7,587,500,904,715,762
  5. Step 5: Solve for x
    x = 7,587,500,904,715,762/100,900,792.21
  6. Step 6: Final answer
    x = 75,197,634.61

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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.