Home / 68,913,913.51-103,273,339.78-38,222,002.63

Finding the Fourth Proportional to 68,913,913.51, 103,273,339.78 and 38,222,002.63

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Solution

The fourth proportional to 68,913,913.51, 103,273,339.78 and 38,222,002.63 is: 57,278,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,913,913.51 : 103,273,339.78 = 38,222,002.63 : x
  2. Step 2: Convert to fraction form
    68,913,913.51/103,273,339.78 = 38,222,002.63/x
  3. Step 3: Cross multiply
    68,913,913.51x = 103,273,339.78 × 38,222,002.63
  4. Step 4: Simplify right side
    68,913,913.51x = 3,947,313,864,680,044
  5. Step 5: Solve for x
    x = 3,947,313,864,680,044/68,913,913.51
  6. Step 6: Final answer
    x = 57,278,910.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.