Home / 90,343,781.22-124,675,205.49-49,090,673.46

Finding the Fourth Proportional to 90,343,781.22, 124,675,205.49 and 49,090,673.46

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Solution

The fourth proportional to 90,343,781.22, 124,675,205.49 and 49,090,673.46 is: 67,745,557.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,343,781.22 : 124,675,205.49 = 49,090,673.46 : x
  2. Step 2: Convert to fraction form
    90,343,781.22/124,675,205.49 = 49,090,673.46/x
  3. Step 3: Cross multiply
    90,343,781.22x = 124,675,205.49 × 49,090,673.46
  4. Step 4: Simplify right side
    90,343,781.22x = 6,120,389,801,267,989
  5. Step 5: Solve for x
    x = 6,120,389,801,267,989/90,343,781.22
  6. Step 6: Final answer
    x = 67,745,557.23

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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.