Home / 259,584,069.20-389,376,103.80-157,463,416.40

Finding the Fourth Proportional to 259,584,069.20, 389,376,103.80 and 157,463,416.40

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Solution

The fourth proportional to 259,584,069.20, 389,376,103.80 and 157,463,416.40 is: 236,195,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,584,069.20 : 389,376,103.80 = 157,463,416.40 : x
  2. Step 2: Convert to fraction form
    259,584,069.20/389,376,103.80 = 157,463,416.40/x
  3. Step 3: Cross multiply
    259,584,069.20x = 389,376,103.80 × 157,463,416.40
  4. Step 4: Simplify right side
    259,584,069.20x = 61,312,491,568,869,024
  5. Step 5: Solve for x
    x = 61,312,491,568,869,024/259,584,069.20
  6. Step 6: Final answer
    x = 236,195,124.60

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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.