Home / 342,144,108.80-513,216,163.20-112,120,697.60

Finding the Fourth Proportional to 342,144,108.80, 513,216,163.20 and 112,120,697.60

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Solution

The fourth proportional to 342,144,108.80, 513,216,163.20 and 112,120,697.60 is: 168,181,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,108.80 : 513,216,163.20 = 112,120,697.60 : x
  2. Step 2: Convert to fraction form
    342,144,108.80/513,216,163.20 = 112,120,697.60/x
  3. Step 3: Cross multiply
    342,144,108.80x = 513,216,163.20 × 112,120,697.60
  4. Step 4: Simplify right side
    342,144,108.80x = 57,542,154,237,579,440
  5. Step 5: Solve for x
    x = 57,542,154,237,579,440/342,144,108.80
  6. Step 6: Final answer
    x = 168,181,046.40

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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.