Home / 57,400,925.96-79,213,255.08-31,295,465.12

Finding the Fourth Proportional to 57,400,925.96, 79,213,255.08 and 31,295,465.12

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Solution

The fourth proportional to 57,400,925.96, 79,213,255.08 and 31,295,465.12 is: 43,187,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,400,925.96 : 79,213,255.08 = 31,295,465.12 : x
  2. Step 2: Convert to fraction form
    57,400,925.96/79,213,255.08 = 31,295,465.12/x
  3. Step 3: Cross multiply
    57,400,925.96x = 79,213,255.08 × 31,295,465.12
  4. Step 4: Simplify right side
    57,400,925.96x = 2,479,015,661,397,803
  5. Step 5: Solve for x
    x = 2,479,015,661,397,803/57,400,925.96
  6. Step 6: Final answer
    x = 43,187,729.46

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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.