Home / 345,319,919.37-518,061,280.82-112,149,846.09

Finding the Fourth Proportional to 345,319,919.37, 518,061,280.82 and 112,149,846.09

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Solution

The fourth proportional to 345,319,919.37, 518,061,280.82 and 112,149,846.09 is: 168,251,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,319,919.37 : 518,061,280.82 = 112,149,846.09 : x
  2. Step 2: Convert to fraction form
    345,319,919.37/518,061,280.82 = 112,149,846.09/x
  3. Step 3: Cross multiply
    345,319,919.37x = 518,061,280.82 × 112,149,846.09
  4. Step 4: Simplify right side
    345,319,919.37x = 58,100,492,908,590,520
  5. Step 5: Solve for x
    x = 58,100,492,908,590,520/345,319,919.37
  6. Step 6: Final answer
    x = 168,251,206.05

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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.