Home / 423,873,626.35-635,840,706.75-112,979,613.75

Finding the Fourth Proportional to 423,873,626.35, 635,840,706.75 and 112,979,613.75

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Solution

The fourth proportional to 423,873,626.35, 635,840,706.75 and 112,979,613.75 is: 169,477,488.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,873,626.35 : 635,840,706.75 = 112,979,613.75 : x
  2. Step 2: Convert to fraction form
    423,873,626.35/635,840,706.75 = 112,979,613.75/x
  3. Step 3: Cross multiply
    423,873,626.35x = 635,840,706.75 × 112,979,613.75
  4. Step 4: Simplify right side
    423,873,626.35x = 71,837,037,455,142,016
  5. Step 5: Solve for x
    x = 71,837,037,455,142,016/423,873,626.35
  6. Step 6: Final answer
    x = 169,477,488.08

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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.