Home / 42,218,187.14-58,231,063.77-38,744,742.56

Finding the Fourth Proportional to 42,218,187.14, 58,231,063.77 and 38,744,742.56

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Solution

The fourth proportional to 42,218,187.14, 58,231,063.77 and 38,744,742.56 is: 53,440,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,218,187.14 : 58,231,063.77 = 38,744,742.56 : x
  2. Step 2: Convert to fraction form
    42,218,187.14/58,231,063.77 = 38,744,742.56/x
  3. Step 3: Cross multiply
    42,218,187.14x = 58,231,063.77 × 38,744,742.56
  4. Step 4: Simplify right side
    42,218,187.14x = 2,256,147,574,763,593.50
  5. Step 5: Solve for x
    x = 2,256,147,574,763,593.50/42,218,187.14
  6. Step 6: Final answer
    x = 53,440,181.30

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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.