Home / 232,865,908.16-321,349,323.48-128,441,736.80

Finding the Fourth Proportional to 232,865,908.16, 321,349,323.48 and 128,441,736.80

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Solution

The fourth proportional to 232,865,908.16, 321,349,323.48 and 128,441,736.80 is: 177,246,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,865,908.16 : 321,349,323.48 = 128,441,736.80 : x
  2. Step 2: Convert to fraction form
    232,865,908.16/321,349,323.48 = 128,441,736.80/x
  3. Step 3: Cross multiply
    232,865,908.16x = 321,349,323.48 × 128,441,736.80
  4. Step 4: Simplify right side
    232,865,908.16x = 41,274,665,227,276,224
  5. Step 5: Solve for x
    x = 41,274,665,227,276,224/232,865,908.16
  6. Step 6: Final answer
    x = 177,246,491.57

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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.