Home / 80,239,268.71-120,274,899.02-33,579,487.85

Finding the Fourth Proportional to 80,239,268.71, 120,274,899.02 and 33,579,487.85

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Solution

The fourth proportional to 80,239,268.71, 120,274,899.02 and 33,579,487.85 is: 50,334,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,239,268.71 : 120,274,899.02 = 33,579,487.85 : x
  2. Step 2: Convert to fraction form
    80,239,268.71/120,274,899.02 = 33,579,487.85/x
  3. Step 3: Cross multiply
    80,239,268.71x = 120,274,899.02 × 33,579,487.85
  4. Step 4: Simplify right side
    80,239,268.71x = 4,038,769,510,767,835.50
  5. Step 5: Solve for x
    x = 4,038,769,510,767,835.50/80,239,268.71
  6. Step 6: Final answer
    x = 50,334,076.77

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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.