Home / 57,448,000.77-79,278,150.38-31,342,520.90

Finding the Fourth Proportional to 57,448,000.77, 79,278,150.38 and 31,342,520.90

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Solution

The fourth proportional to 57,448,000.77, 79,278,150.38 and 31,342,520.90 is: 43,252,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,448,000.77 : 79,278,150.38 = 31,342,520.90 : x
  2. Step 2: Convert to fraction form
    57,448,000.77/79,278,150.38 = 31,342,520.90/x
  3. Step 3: Cross multiply
    57,448,000.77x = 79,278,150.38 × 31,342,520.90
  4. Step 4: Simplify right side
    57,448,000.77x = 2,484,777,084,645,389.50
  5. Step 5: Solve for x
    x = 2,484,777,084,645,389.50/57,448,000.77
  6. Step 6: Final answer
    x = 43,252,629.36

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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.