Home / 242,885,025.82-364,327,245.51-79,122,515.23

Finding the Fourth Proportional to 242,885,025.82, 364,327,245.51 and 79,122,515.23

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Solution

The fourth proportional to 242,885,025.82, 364,327,245.51 and 79,122,515.23 is: 118,683,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,885,025.82 : 364,327,245.51 = 79,122,515.23 : x
  2. Step 2: Convert to fraction form
    242,885,025.82/364,327,245.51 = 79,122,515.23/x
  3. Step 3: Cross multiply
    242,885,025.82x = 364,327,245.51 × 79,122,515.23
  4. Step 4: Simplify right side
    242,885,025.82x = 28,826,488,031,568,924
  5. Step 5: Solve for x
    x = 28,826,488,031,568,924/242,885,025.82
  6. Step 6: Final answer
    x = 118,683,677.33

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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.