Home / 51,981,792.26-71,732,031.38-28,455,777.88

Finding the Fourth Proportional to 51,981,792.26, 71,732,031.38 and 28,455,777.88

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Solution

The fourth proportional to 51,981,792.26, 71,732,031.38 and 28,455,777.88 is: 39,267,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981,792.26 : 71,732,031.38 = 28,455,777.88 : x
  2. Step 2: Convert to fraction form
    51,981,792.26/71,732,031.38 = 28,455,777.88/x
  3. Step 3: Cross multiply
    51,981,792.26x = 71,732,031.38 × 28,455,777.88
  4. Step 4: Simplify right side
    51,981,792.26x = 2,041,190,751,830,469.75
  5. Step 5: Solve for x
    x = 2,041,190,751,830,469.75/51,981,792.26
  6. Step 6: Final answer
    x = 39,267,417.75

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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.