Home / 225,590,108.61-311,416,356.59-142,080,967.96

Finding the Fourth Proportional to 225,590,108.61, 311,416,356.59 and 142,080,967.96

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Solution

The fourth proportional to 225,590,108.61, 311,416,356.59 and 142,080,967.96 is: 196,135,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,590,108.61 : 311,416,356.59 = 142,080,967.96 : x
  2. Step 2: Convert to fraction form
    225,590,108.61/311,416,356.59 = 142,080,967.96/x
  3. Step 3: Cross multiply
    225,590,108.61x = 311,416,356.59 × 142,080,967.96
  4. Step 4: Simplify right side
    225,590,108.61x = 44,246,337,382,173,320
  5. Step 5: Solve for x
    x = 44,246,337,382,173,320/225,590,108.61
  6. Step 6: Final answer
    x = 196,135,981.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.