Home / 57,034,751.13-78,707,974.59-30,929,261.13

Finding the Fourth Proportional to 57,034,751.13, 78,707,974.59 and 30,929,261.13

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Solution

The fourth proportional to 57,034,751.13, 78,707,974.59 and 30,929,261.13 is: 42,682,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,034,751.13 : 78,707,974.59 = 30,929,261.13 : x
  2. Step 2: Convert to fraction form
    57,034,751.13/78,707,974.59 = 30,929,261.13/x
  3. Step 3: Cross multiply
    57,034,751.13x = 78,707,974.59 × 30,929,261.13
  4. Step 4: Simplify right side
    57,034,751.13x = 2,434,379,499,107,514.50
  5. Step 5: Solve for x
    x = 2,434,379,499,107,514.50/57,034,751.13
  6. Step 6: Final answer
    x = 42,682,390.14

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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.