Home / 313,301,639.43-432,367,930.76-187,874,256.11

Finding the Fourth Proportional to 313,301,639.43, 432,367,930.76 and 187,874,256.11

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Solution

The fourth proportional to 313,301,639.43, 432,367,930.76 and 187,874,256.11 is: 259,273,470.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,301,639.43 : 432,367,930.76 = 187,874,256.11 : x
  2. Step 2: Convert to fraction form
    313,301,639.43/432,367,930.76 = 187,874,256.11/x
  3. Step 3: Cross multiply
    313,301,639.43x = 432,367,930.76 × 187,874,256.11
  4. Step 4: Simplify right side
    313,301,639.43x = 81,230,803,354,253,776
  5. Step 5: Solve for x
    x = 81,230,803,354,253,776/313,301,639.43
  6. Step 6: Final answer
    x = 259,273,470.45

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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.