Home / 70,781,242.56-97,681,145.22-39,419,291.37

Finding the Fourth Proportional to 70,781,242.56, 97,681,145.22 and 39,419,291.37

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Solution

The fourth proportional to 70,781,242.56, 97,681,145.22 and 39,419,291.37 is: 54,400,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,781,242.56 : 97,681,145.22 = 39,419,291.37 : x
  2. Step 2: Convert to fraction form
    70,781,242.56/97,681,145.22 = 39,419,291.37/x
  3. Step 3: Cross multiply
    70,781,242.56x = 97,681,145.22 × 39,419,291.37
  4. Step 4: Simplify right side
    70,781,242.56x = 3,850,521,524,782,462.50
  5. Step 5: Solve for x
    x = 3,850,521,524,782,462.50/70,781,242.56
  6. Step 6: Final answer
    x = 54,400,309.82

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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.