Home / 100,930,090.88-139,283,418.47-54,520,337.36

Finding the Fourth Proportional to 100,930,090.88, 139,283,418.47 and 54,520,337.36

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Solution

The fourth proportional to 100,930,090.88, 139,283,418.47 and 54,520,337.36 is: 75,238,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,930,090.88 : 139,283,418.47 = 54,520,337.36 : x
  2. Step 2: Convert to fraction form
    100,930,090.88/139,283,418.47 = 54,520,337.36/x
  3. Step 3: Cross multiply
    100,930,090.88x = 139,283,418.47 × 54,520,337.36
  4. Step 4: Simplify right side
    100,930,090.88x = 7,593,778,962,669,436
  5. Step 5: Solve for x
    x = 7,593,778,962,669,436/100,930,090.88
  6. Step 6: Final answer
    x = 75,238,007.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.