Home / 56,728,704.80-85,156,042.80-35,187,629.60

Finding the Fourth Proportional to 56,728,704.80, 85,156,042.80 and 35,187,629.60

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Solution

The fourth proportional to 56,728,704.80, 85,156,042.80 and 35,187,629.60 is: 52,820,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,728,704.80 : 85,156,042.80 = 35,187,629.60 : x
  2. Step 2: Convert to fraction form
    56,728,704.80/85,156,042.80 = 35,187,629.60/x
  3. Step 3: Cross multiply
    56,728,704.80x = 85,156,042.80 × 35,187,629.60
  4. Step 4: Simplify right side
    56,728,704.80x = 2,996,439,292,248,147
  5. Step 5: Solve for x
    x = 2,996,439,292,248,147/56,728,704.80
  6. Step 6: Final answer
    x = 52,820,513.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.