Home / 74,069,863.49-102,251,856.18-49,331,219.33

Finding the Fourth Proportional to 74,069,863.49, 102,251,856.18 and 49,331,219.33

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Solution

The fourth proportional to 74,069,863.49, 102,251,856.18 and 49,331,219.33 is: 68,100,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069,863.49 : 102,251,856.18 = 49,331,219.33 : x
  2. Step 2: Convert to fraction form
    74,069,863.49/102,251,856.18 = 49,331,219.33/x
  3. Step 3: Cross multiply
    74,069,863.49x = 102,251,856.18 × 49,331,219.33
  4. Step 4: Simplify right side
    74,069,863.49x = 5,044,208,743,603,937
  5. Step 5: Solve for x
    x = 5,044,208,743,603,937/74,069,863.49
  6. Step 6: Final answer
    x = 68,100,689.08

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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.