Home / 80,490,791.52-120,733,613.04-33,828,998.40

Finding the Fourth Proportional to 80,490,791.52, 120,733,613.04 and 33,828,998.40

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Solution

The fourth proportional to 80,490,791.52, 120,733,613.04 and 33,828,998.40 is: 50,742,415.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,490,791.52 : 120,733,613.04 = 33,828,998.40 : x
  2. Step 2: Convert to fraction form
    80,490,791.52/120,733,613.04 = 33,828,998.40/x
  3. Step 3: Cross multiply
    80,490,791.52x = 120,733,613.04 × 33,828,998.40
  4. Step 4: Simplify right side
    80,490,791.52x = 4,084,297,202,356,379
  5. Step 5: Solve for x
    x = 4,084,297,202,356,379/80,490,791.52
  6. Step 6: Final answer
    x = 50,742,415.69

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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.