Home / 74,717,362,689.92-103,112,273,335.20-40,886,083,721.60

Finding the Fourth Proportional to 74,717,362,689.92, 103,112,273,335.20 and 40,886,083,721.60

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Solution

The fourth proportional to 74,717,362,689.92, 103,112,273,335.20 and 40,886,083,721.60 is: 56,424,061,135.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,717,362,689.92 : 103,112,273,335.20 = 40,886,083,721.60 : x
  2. Step 2: Convert to fraction form
    74,717,362,689.92/103,112,273,335.20 = 40,886,083,721.60/x
  3. Step 3: Cross multiply
    74,717,362,689.92x = 103,112,273,335.20 × 40,886,083,721.60
  4. Step 4: Simplify right side
    74,717,362,689.92x = 4,215,857,040,307,490,127,872
  5. Step 5: Solve for x
    x = 4,215,857,040,307,490,127,872/74,717,362,689.92
  6. Step 6: Final answer
    x = 56,424,061,135.61

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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.