Home / 74,941,882.80-103,388,130.06-50,170,050.74

Finding the Fourth Proportional to 74,941,882.80, 103,388,130.06 and 50,170,050.74

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Solution

The fourth proportional to 74,941,882.80, 103,388,130.06 and 50,170,050.74 is: 69,213,469.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,941,882.80 : 103,388,130.06 = 50,170,050.74 : x
  2. Step 2: Convert to fraction form
    74,941,882.80/103,388,130.06 = 50,170,050.74/x
  3. Step 3: Cross multiply
    74,941,882.80x = 103,388,130.06 × 50,170,050.74
  4. Step 4: Simplify right side
    74,941,882.80x = 5,186,987,731,023,920
  5. Step 5: Solve for x
    x = 5,186,987,731,023,920/74,941,882.80
  6. Step 6: Final answer
    x = 69,213,469.65

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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.