Home / 74,485,780.77-102,790,377.51-41,448,158.10

Finding the Fourth Proportional to 74,485,780.77, 102,790,377.51 and 41,448,158.10

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Solution

The fourth proportional to 74,485,780.77, 102,790,377.51 and 41,448,158.10 is: 57,198,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,485,780.77 : 102,790,377.51 = 41,448,158.10 : x
  2. Step 2: Convert to fraction form
    74,485,780.77/102,790,377.51 = 41,448,158.10/x
  3. Step 3: Cross multiply
    74,485,780.77x = 102,790,377.51 × 41,448,158.10
  4. Step 4: Simplify right side
    74,485,780.77x = 4,260,471,818,193,164.50
  5. Step 5: Solve for x
    x = 4,260,471,818,193,164.50/74,485,780.77
  6. Step 6: Final answer
    x = 57,198,458.20

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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.