Home / 288,086,987.52-432,131,589.36-69,736,972.32

Finding the Fourth Proportional to 288,086,987.52, 432,131,589.36 and 69,736,972.32

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Solution

The fourth proportional to 288,086,987.52, 432,131,589.36 and 69,736,972.32 is: 104,605,726.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,086,987.52 : 432,131,589.36 = 69,736,972.32 : x
  2. Step 2: Convert to fraction form
    288,086,987.52/432,131,589.36 = 69,736,972.32/x
  3. Step 3: Cross multiply
    288,086,987.52x = 432,131,589.36 × 69,736,972.32
  4. Step 4: Simplify right side
    288,086,987.52x = 30,135,548,685,795,924
  5. Step 5: Solve for x
    x = 30,135,548,685,795,924/288,086,987.52
  6. Step 6: Final answer
    x = 104,605,726.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.