Home / 232,960,741.61-321,492,550.43-128,545,538.83

Finding the Fourth Proportional to 232,960,741.61, 321,492,550.43 and 128,545,538.83

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Solution

The fourth proportional to 232,960,741.61, 321,492,550.43 and 128,545,538.83 is: 177,396,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,960,741.61 : 321,492,550.43 = 128,545,538.83 : x
  2. Step 2: Convert to fraction form
    232,960,741.61/321,492,550.43 = 128,545,538.83/x
  3. Step 3: Cross multiply
    232,960,741.61x = 321,492,550.43 × 128,545,538.83
  4. Step 4: Simplify right side
    232,960,741.61x = 41,326,433,124,372,928
  5. Step 5: Solve for x
    x = 41,326,433,124,372,928/232,960,741.61
  6. Step 6: Final answer
    x = 177,396,555.49

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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.