Home / 406,846,104.18-561,441,009.33-221,211,794.58

Finding the Fourth Proportional to 406,846,104.18, 561,441,009.33 and 221,211,794.58

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Solution

The fourth proportional to 406,846,104.18, 561,441,009.33 and 221,211,794.58 is: 305,268,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,846,104.18 : 561,441,009.33 = 221,211,794.58 : x
  2. Step 2: Convert to fraction form
    406,846,104.18/561,441,009.33 = 221,211,794.58/x
  3. Step 3: Cross multiply
    406,846,104.18x = 561,441,009.33 × 221,211,794.58
  4. Step 4: Simplify right side
    406,846,104.18x = 124,197,373,224,695,840
  5. Step 5: Solve for x
    x = 124,197,373,224,695,840/406,846,104.18
  6. Step 6: Final answer
    x = 305,268,680.09

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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.