Home / 233,290,446.30-321,934,578.57-128,866,270.14

Finding the Fourth Proportional to 233,290,446.30, 321,934,578.57 and 128,866,270.14

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Solution

The fourth proportional to 233,290,446.30, 321,934,578.57 and 128,866,270.14 is: 177,832,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,290,446.30 : 321,934,578.57 = 128,866,270.14 : x
  2. Step 2: Convert to fraction form
    233,290,446.30/321,934,578.57 = 128,866,270.14/x
  3. Step 3: Cross multiply
    233,290,446.30x = 321,934,578.57 × 128,866,270.14
  4. Step 4: Simplify right side
    233,290,446.30x = 41,486,508,369,408,672
  5. Step 5: Solve for x
    x = 41,486,508,369,408,672/233,290,446.30
  6. Step 6: Final answer
    x = 177,832,007.39

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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.