Home / 342,144,128.80-513,216,193.20-112,120,717.60

Finding the Fourth Proportional to 342,144,128.80, 513,216,193.20 and 112,120,717.60

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Solution

The fourth proportional to 342,144,128.80, 513,216,193.20 and 112,120,717.60 is: 168,181,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,128.80 : 513,216,193.20 = 112,120,717.60 : x
  2. Step 2: Convert to fraction form
    342,144,128.80/513,216,193.20 = 112,120,717.60/x
  3. Step 3: Cross multiply
    342,144,128.80x = 513,216,193.20 × 112,120,717.60
  4. Step 4: Simplify right side
    342,144,128.80x = 57,542,167,865,524,232
  5. Step 5: Solve for x
    x = 57,542,167,865,524,232/342,144,128.80
  6. Step 6: Final answer
    x = 168,181,076.40

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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.