Home / 55,729,987.56-76,909,937.94-30,950,288.28

Finding the Fourth Proportional to 55,729,987.56, 76,909,937.94 and 30,950,288.28

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Solution

The fourth proportional to 55,729,987.56, 76,909,937.94 and 30,950,288.28 is: 42,712,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,729,987.56 : 76,909,937.94 = 30,950,288.28 : x
  2. Step 2: Convert to fraction form
    55,729,987.56/76,909,937.94 = 30,950,288.28/x
  3. Step 3: Cross multiply
    55,729,987.56x = 76,909,937.94 × 30,950,288.28
  4. Step 4: Simplify right side
    55,729,987.56x = 2,380,384,750,839,909.50
  5. Step 5: Solve for x
    x = 2,380,384,750,839,909.50/55,729,987.56
  6. Step 6: Final answer
    x = 42,712,816.83

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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.