Home / 202,454,154.39-279,387,002.49-109,634,822.31

Finding the Fourth Proportional to 202,454,154.39, 279,387,002.49 and 109,634,822.31

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Solution

The fourth proportional to 202,454,154.39, 279,387,002.49 and 109,634,822.31 is: 151,296,200.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,454,154.39 : 279,387,002.49 = 109,634,822.31 : x
  2. Step 2: Convert to fraction form
    202,454,154.39/279,387,002.49 = 109,634,822.31/x
  3. Step 3: Cross multiply
    202,454,154.39x = 279,387,002.49 × 109,634,822.31
  4. Step 4: Simplify right side
    202,454,154.39x = 30,630,544,373,714,680
  5. Step 5: Solve for x
    x = 30,630,544,373,714,680/202,454,154.39
  6. Step 6: Final answer
    x = 151,296,200.69

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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.