Home / 57,431,176.88-79,255,976.52-31,325,701.52

Finding the Fourth Proportional to 57,431,176.88, 79,255,976.52 and 31,325,701.52

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Solution

The fourth proportional to 57,431,176.88, 79,255,976.52 and 31,325,701.52 is: 43,229,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431,176.88 : 79,255,976.52 = 31,325,701.52 : x
  2. Step 2: Convert to fraction form
    57,431,176.88/79,255,976.52 = 31,325,701.52/x
  3. Step 3: Cross multiply
    57,431,176.88x = 79,255,976.52 × 31,325,701.52
  4. Step 4: Simplify right side
    57,431,176.88x = 2,482,749,064,141,648
  5. Step 5: Solve for x
    x = 2,482,749,064,141,648/57,431,176.88
  6. Step 6: Final answer
    x = 43,229,987.60

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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.