Home / 50,343,760.80-75,515,641.20-42,265,857.60

Finding the Fourth Proportional to 50,343,760.80, 75,515,641.20 and 42,265,857.60

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Solution

The fourth proportional to 50,343,760.80, 75,515,641.20 and 42,265,857.60 is: 63,398,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,343,760.80 : 75,515,641.20 = 42,265,857.60 : x
  2. Step 2: Convert to fraction form
    50,343,760.80/75,515,641.20 = 42,265,857.60/x
  3. Step 3: Cross multiply
    50,343,760.80x = 75,515,641.20 × 42,265,857.60
  4. Step 4: Simplify right side
    50,343,760.80x = 3,191,733,337,531,893.50
  5. Step 5: Solve for x
    x = 3,191,733,337,531,893.50/50,343,760.80
  6. Step 6: Final answer
    x = 63,398,786.40

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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.