Home / 90,058,186.33-124,280,403.45-48,805,078.71

Finding the Fourth Proportional to 90,058,186.33, 124,280,403.45 and 48,805,078.71

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Solution

The fourth proportional to 90,058,186.33, 124,280,403.45 and 48,805,078.71 is: 67,351,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,058,186.33 : 124,280,403.45 = 48,805,078.71 : x
  2. Step 2: Convert to fraction form
    90,058,186.33/124,280,403.45 = 48,805,078.71/x
  3. Step 3: Cross multiply
    90,058,186.33x = 124,280,403.45 × 48,805,078.71
  4. Step 4: Simplify right side
    90,058,186.33x = 6,065,514,872,487,806
  5. Step 5: Solve for x
    x = 6,065,514,872,487,806/90,058,186.33
  6. Step 6: Final answer
    x = 67,351,066.23

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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.