Home / 80,063,318.22-120,051,810.81-43,194,969.42

Finding the Fourth Proportional to 80,063,318.22, 120,051,810.81 and 43,194,969.42

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Solution

The fourth proportional to 80,063,318.22, 120,051,810.81 and 43,194,969.42 is: 64,769,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,063,318.22 : 120,051,810.81 = 43,194,969.42 : x
  2. Step 2: Convert to fraction form
    80,063,318.22/120,051,810.81 = 43,194,969.42/x
  3. Step 3: Cross multiply
    80,063,318.22x = 120,051,810.81 × 43,194,969.42
  4. Step 4: Simplify right side
    80,063,318.22x = 5,185,634,296,753,576
  5. Step 5: Solve for x
    x = 5,185,634,296,753,576/80,063,318.22
  6. Step 6: Final answer
    x = 64,769,165.36

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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.