Home / 74,366,727.22-102,517,921.73-51,970,178.11

Finding the Fourth Proportional to 74,366,727.22, 102,517,921.73 and 51,970,178.11

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Solution

The fourth proportional to 74,366,727.22, 102,517,921.73 and 51,970,178.11 is: 71,643,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,366,727.22 : 102,517,921.73 = 51,970,178.11 : x
  2. Step 2: Convert to fraction form
    74,366,727.22/102,517,921.73 = 51,970,178.11/x
  3. Step 3: Cross multiply
    74,366,727.22x = 102,517,921.73 × 51,970,178.11
  4. Step 4: Simplify right side
    74,366,727.22x = 5,327,874,651,775,139
  5. Step 5: Solve for x
    x = 5,327,874,651,775,139/74,366,727.22
  6. Step 6: Final answer
    x = 71,643,258.36

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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.