Home / 74,941,881.80-103,388,128.68-50,170,049.74

Finding the Fourth Proportional to 74,941,881.80, 103,388,128.68 and 50,170,049.74

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Solution

The fourth proportional to 74,941,881.80, 103,388,128.68 and 50,170,049.74 is: 69,213,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,941,881.80 : 103,388,128.68 = 50,170,049.74 : x
  2. Step 2: Convert to fraction form
    74,941,881.80/103,388,128.68 = 50,170,049.74/x
  3. Step 3: Cross multiply
    74,941,881.80x = 103,388,128.68 × 50,170,049.74
  4. Step 4: Simplify right side
    74,941,881.80x = 5,186,987,558,401,121
  5. Step 5: Solve for x
    x = 5,186,987,558,401,121/74,941,881.80
  6. Step 6: Final answer
    x = 69,213,468.27

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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.