Home / 51,981,791.51-71,732,030.33-28,455,777.11

Finding the Fourth Proportional to 51,981,791.51, 71,732,030.33 and 28,455,777.11

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Solution

The fourth proportional to 51,981,791.51, 71,732,030.33 and 28,455,777.11 is: 39,267,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,791.51 : 71,732,030.33 = 28,455,777.11 : x
  2. Step 2: Convert to fraction form
    51,981,791.51/71,732,030.33 = 28,455,777.11/x
  3. Step 3: Cross multiply
    51,981,791.51x = 71,732,030.33 × 28,455,777.11
  4. Step 4: Simplify right side
    51,981,791.51x = 2,041,190,666,968,709.25
  5. Step 5: Solve for x
    x = 2,041,190,666,968,709.25/51,981,791.51
  6. Step 6: Final answer
    x = 39,267,416.68

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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.