Home / 93,231,882.80-128,660,537.40-51,981,343.28

Finding the Fourth Proportional to 93,231,882.80, 128,660,537.40 and 51,981,343.28

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Solution

The fourth proportional to 93,231,882.80, 128,660,537.40 and 51,981,343.28 is: 71,734,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,231,882.80 : 128,660,537.40 = 51,981,343.28 : x
  2. Step 2: Convert to fraction form
    93,231,882.80/128,660,537.40 = 51,981,343.28/x
  3. Step 3: Cross multiply
    93,231,882.80x = 128,660,537.40 × 51,981,343.28
  4. Step 4: Simplify right side
    93,231,882.80x = 6,687,947,561,178,679
  5. Step 5: Solve for x
    x = 6,687,947,561,178,679/93,231,882.80
  6. Step 6: Final answer
    x = 71,734,554.32

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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.