Home / 214,523,212.32-321,703,141.32-127,109,396.61

Finding the Fourth Proportional to 214,523,212.32, 321,703,141.32 and 127,109,396.61

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Solution

The fourth proportional to 214,523,212.32, 321,703,141.32 and 127,109,396.61 is: 190,615,699.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,523,212.32 : 321,703,141.32 = 127,109,396.61 : x
  2. Step 2: Convert to fraction form
    214,523,212.32/321,703,141.32 = 127,109,396.61/x
  3. Step 3: Cross multiply
    214,523,212.32x = 321,703,141.32 × 127,109,396.61
  4. Step 4: Simplify right side
    214,523,212.32x = 40,891,492,180,726,760
  5. Step 5: Solve for x
    x = 40,891,492,180,726,760/214,523,212.32
  6. Step 6: Final answer
    x = 190,615,699.52

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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.