Home / 74,366,570.89-102,517,706.80-51,970,022.19

Finding the Fourth Proportional to 74,366,570.89, 102,517,706.80 and 51,970,022.19

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Solution

The fourth proportional to 74,366,570.89, 102,517,706.80 and 51,970,022.19 is: 71,643,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,366,570.89 : 102,517,706.80 = 51,970,022.19 : x
  2. Step 2: Convert to fraction form
    74,366,570.89/102,517,706.80 = 51,970,022.19/x
  3. Step 3: Cross multiply
    74,366,570.89x = 102,517,706.80 × 51,970,022.19
  4. Step 4: Simplify right side
    74,366,570.89x = 5,327,847,497,263,913
  5. Step 5: Solve for x
    x = 5,327,847,497,263,913/74,366,570.89
  6. Step 6: Final answer
    x = 71,643,043.82

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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.