Home / 423,873,625.35-635,840,705.25-112,979,612.75

Finding the Fourth Proportional to 423,873,625.35, 635,840,705.25 and 112,979,612.75

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Solution

The fourth proportional to 423,873,625.35, 635,840,705.25 and 112,979,612.75 is: 169,477,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,873,625.35 : 635,840,705.25 = 112,979,612.75 : x
  2. Step 2: Convert to fraction form
    423,873,625.35/635,840,705.25 = 112,979,612.75/x
  3. Step 3: Cross multiply
    423,873,625.35x = 635,840,705.25 × 112,979,612.75
  4. Step 4: Simplify right side
    423,873,625.35x = 71,837,036,651,421,496
  5. Step 5: Solve for x
    x = 71,837,036,651,421,496/423,873,625.35
  6. Step 6: Final answer
    x = 169,477,486.58

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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.