Home / 74,941,970.55-103,388,250.96-50,170,137.45

Finding the Fourth Proportional to 74,941,970.55, 103,388,250.96 and 50,170,137.45

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Solution

The fourth proportional to 74,941,970.55, 103,388,250.96 and 50,170,137.45 is: 69,213,589.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,941,970.55 : 103,388,250.96 = 50,170,137.45 : x
  2. Step 2: Convert to fraction form
    74,941,970.55/103,388,250.96 = 50,170,137.45/x
  3. Step 3: Cross multiply
    74,941,970.55x = 103,388,250.96 × 50,170,137.45
  4. Step 4: Simplify right side
    74,941,970.55x = 5,187,002,761,378,294
  5. Step 5: Solve for x
    x = 5,187,002,761,378,294/74,941,970.55
  6. Step 6: Final answer
    x = 69,213,589.17

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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.