Home / 230,718,911.34-318,371,922.27-136,616,176.38

Finding the Fourth Proportional to 230,718,911.34, 318,371,922.27 and 136,616,176.38

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Solution

The fourth proportional to 230,718,911.34, 318,371,922.27 and 136,616,176.38 is: 188,518,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,718,911.34 : 318,371,922.27 = 136,616,176.38 : x
  2. Step 2: Convert to fraction form
    230,718,911.34/318,371,922.27 = 136,616,176.38/x
  3. Step 3: Cross multiply
    230,718,911.34x = 318,371,922.27 × 136,616,176.38
  4. Step 4: Simplify right side
    230,718,911.34x = 43,494,754,687,277,968
  5. Step 5: Solve for x
    x = 43,494,754,687,277,968/230,718,911.34
  6. Step 6: Final answer
    x = 188,518,376.91

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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.