Home / 257,224,342.40-386,284,411.20-136,291,990.40

Finding the Fourth Proportional to 257,224,342.40, 386,284,411.20 and 136,291,990.40

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Solution

The fourth proportional to 257,224,342.40, 386,284,411.20 and 136,291,990.40 is: 204,675,307.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,224,342.40 : 386,284,411.20 = 136,291,990.40 : x
  2. Step 2: Convert to fraction form
    257,224,342.40/386,284,411.20 = 136,291,990.40/x
  3. Step 3: Cross multiply
    257,224,342.40x = 386,284,411.20 × 136,291,990.40
  4. Step 4: Simplify right side
    257,224,342.40x = 52,647,471,262,940,056
  5. Step 5: Solve for x
    x = 52,647,471,262,940,056/257,224,342.40
  6. Step 6: Final answer
    x = 204,675,307.06

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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.