Home / 89,243,885-133,922,456.22-38,126,288.36

Finding the Fourth Proportional to 89,243,885, 133,922,456.22 and 38,126,288.36

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Solution

The fourth proportional to 89,243,885, 133,922,456.22 and 38,126,288.36 is: 57,213,625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,243,885 : 133,922,456.22 = 38,126,288.36 : x
  2. Step 2: Convert to fraction form
    89,243,885/133,922,456.22 = 38,126,288.36/x
  3. Step 3: Cross multiply
    89,243,885x = 133,922,456.22 × 38,126,288.36
  4. Step 4: Simplify right side
    89,243,885x = 5,105,966,183,723,195
  5. Step 5: Solve for x
    x = 5,105,966,183,723,195/89,243,885
  6. Step 6: Final answer
    x = 57,213,625.15

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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.