Home / 423,873,612.11-635,840,685.38-112,979,599.51

Finding the Fourth Proportional to 423,873,612.11, 635,840,685.38 and 112,979,599.51

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Solution

The fourth proportional to 423,873,612.11, 635,840,685.38 and 112,979,599.51 is: 169,477,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,873,612.11 : 635,840,685.38 = 112,979,599.51 : x
  2. Step 2: Convert to fraction form
    423,873,612.11/635,840,685.38 = 112,979,599.51/x
  3. Step 3: Cross multiply
    423,873,612.11x = 635,840,685.38 × 112,979,599.51
  4. Step 4: Simplify right side
    423,873,612.11x = 71,837,025,985,069,408
  5. Step 5: Solve for x
    x = 71,837,025,985,069,408/423,873,612.11
  6. Step 6: Final answer
    x = 169,477,466.71

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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.