Home / 209,952,052.20-289,734,013.74-117,132,579.24

Finding the Fourth Proportional to 209,952,052.20, 289,734,013.74 and 117,132,579.24

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Solution

The fourth proportional to 209,952,052.20, 289,734,013.74 and 117,132,579.24 is: 161,643,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,052.20 : 289,734,013.74 = 117,132,579.24 : x
  2. Step 2: Convert to fraction form
    209,952,052.20/289,734,013.74 = 117,132,579.24/x
  3. Step 3: Cross multiply
    209,952,052.20x = 289,734,013.74 × 117,132,579.24
  4. Step 4: Simplify right side
    209,952,052.20x = 33,937,292,322,923,800
  5. Step 5: Solve for x
    x = 33,937,292,322,923,800/209,952,052.20
  6. Step 6: Final answer
    x = 161,643,060.72

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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.