Home / 74,485,781.77-102,790,378.89-41,448,159.10

Finding the Fourth Proportional to 74,485,781.77, 102,790,378.89 and 41,448,159.10

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Solution

The fourth proportional to 74,485,781.77, 102,790,378.89 and 41,448,159.10 is: 57,198,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,485,781.77 : 102,790,378.89 = 41,448,159.10 : x
  2. Step 2: Convert to fraction form
    74,485,781.77/102,790,378.89 = 41,448,159.10/x
  3. Step 3: Cross multiply
    74,485,781.77x = 102,790,378.89 × 41,448,159.10
  4. Step 4: Simplify right side
    74,485,781.77x = 4,260,471,978,182,001.50
  5. Step 5: Solve for x
    x = 4,260,471,978,182,001.50/74,485,781.77
  6. Step 6: Final answer
    x = 57,198,459.58

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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.