Home / 74,644,195.36-111,885,414.52-38,202,621.80

Finding the Fourth Proportional to 74,644,195.36, 111,885,414.52 and 38,202,621.80

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Solution

The fourth proportional to 74,644,195.36, 111,885,414.52 and 38,202,621.80 is: 57,262,539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,644,195.36 : 111,885,414.52 = 38,202,621.80 : x
  2. Step 2: Convert to fraction form
    74,644,195.36/111,885,414.52 = 38,202,621.80/x
  3. Step 3: Cross multiply
    74,644,195.36x = 111,885,414.52 × 38,202,621.80
  4. Step 4: Simplify right side
    74,644,195.36x = 4,274,316,175,843,788
  5. Step 5: Solve for x
    x = 4,274,316,175,843,788/74,644,195.36
  6. Step 6: Final answer
    x = 57,262,539.37

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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.