Home / 57,031,658.44-78,703,615.56-30,926,132.44

Finding the Fourth Proportional to 57,031,658.44, 78,703,615.56 and 30,926,132.44

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Solution

The fourth proportional to 57,031,658.44, 78,703,615.56 and 30,926,132.44 is: 42,678,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,031,658.44 : 78,703,615.56 = 30,926,132.44 : x
  2. Step 2: Convert to fraction form
    57,031,658.44/78,703,615.56 = 30,926,132.44/x
  3. Step 3: Cross multiply
    57,031,658.44x = 78,703,615.56 × 30,926,132.44
  4. Step 4: Simplify right side
    57,031,658.44x = 2,433,998,438,315,405
  5. Step 5: Solve for x
    x = 2,433,998,438,315,405/57,031,658.44
  6. Step 6: Final answer
    x = 42,678,023.13

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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.