Home / 50,099,933.24-69,137,918.02-30,520,815.72

Finding the Fourth Proportional to 50,099,933.24, 69,137,918.02 and 30,520,815.72

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Solution

The fourth proportional to 50,099,933.24, 69,137,918.02 and 30,520,815.72 is: 42,118,731.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,099,933.24 : 69,137,918.02 = 30,520,815.72 : x
  2. Step 2: Convert to fraction form
    50,099,933.24/69,137,918.02 = 30,520,815.72/x
  3. Step 3: Cross multiply
    50,099,933.24x = 69,137,918.02 × 30,520,815.72
  4. Step 4: Simplify right side
    50,099,933.24x = 2,110,145,655,152,887
  5. Step 5: Solve for x
    x = 2,110,145,655,152,887/50,099,933.24
  6. Step 6: Final answer
    x = 42,118,731.88

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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.