Home / 51,981,791.52-71,732,030.34-28,455,777.12

Finding the Fourth Proportional to 51,981,791.52, 71,732,030.34 and 28,455,777.12

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Solution

The fourth proportional to 51,981,791.52, 71,732,030.34 and 28,455,777.12 is: 39,267,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,791.52 : 71,732,030.34 = 28,455,777.12 : x
  2. Step 2: Convert to fraction form
    51,981,791.52/71,732,030.34 = 28,455,777.12/x
  3. Step 3: Cross multiply
    51,981,791.52x = 71,732,030.34 × 28,455,777.12
  4. Step 4: Simplify right side
    51,981,791.52x = 2,041,190,667,720,118
  5. Step 5: Solve for x
    x = 2,041,190,667,720,118/51,981,791.52
  6. Step 6: Final answer
    x = 39,267,416.69

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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.