Home / 57,448,015.30-79,278,170.34-31,342,535.44

Finding the Fourth Proportional to 57,448,015.30, 79,278,170.34 and 31,342,535.44

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Solution

The fourth proportional to 57,448,015.30, 79,278,170.34 and 31,342,535.44 is: 43,252,649.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,448,015.30 : 79,278,170.34 = 31,342,535.44 : x
  2. Step 2: Convert to fraction form
    57,448,015.30/79,278,170.34 = 31,342,535.44/x
  3. Step 3: Cross multiply
    57,448,015.30x = 79,278,170.34 × 31,342,535.44
  4. Step 4: Simplify right side
    57,448,015.30x = 2,484,778,863,499,807
  5. Step 5: Solve for x
    x = 2,484,778,863,499,807/57,448,015.30
  6. Step 6: Final answer
    x = 43,252,649.38

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1.5x scale

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.