Home / 56,109,733.40-84,164,600.10-19,723,739.60

Finding the Fourth Proportional to 56,109,733.40, 84,164,600.10 and 19,723,739.60

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Solution

The fourth proportional to 56,109,733.40, 84,164,600.10 and 19,723,739.60 is: 29,585,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,109,733.40 : 84,164,600.10 = 19,723,739.60 : x
  2. Step 2: Convert to fraction form
    56,109,733.40/84,164,600.10 = 19,723,739.60/x
  3. Step 3: Cross multiply
    56,109,733.40x = 84,164,600.10 × 19,723,739.60
  4. Step 4: Simplify right side
    56,109,733.40x = 1,660,040,655,910,534
  5. Step 5: Solve for x
    x = 1,660,040,655,910,534/56,109,733.40
  6. Step 6: Final answer
    x = 29,585,609.40

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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.