Home / 74,399,137.87-102,519,395.51-57,551,525.53

Finding the Fourth Proportional to 74,399,137.87, 102,519,395.51 and 57,551,525.53

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Solution

The fourth proportional to 74,399,137.87, 102,519,395.51 and 57,551,525.53 is: 79,303,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,399,137.87 : 102,519,395.51 = 57,551,525.53 : x
  2. Step 2: Convert to fraction form
    74,399,137.87/102,519,395.51 = 57,551,525.53/x
  3. Step 3: Cross multiply
    74,399,137.87x = 102,519,395.51 × 57,551,525.53
  4. Step 4: Simplify right side
    74,399,137.87x = 5,900,147,608,013,933
  5. Step 5: Solve for x
    x = 5,900,147,608,013,933/74,399,137.87
  6. Step 6: Final answer
    x = 79,303,978.20

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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.