Home / 281,220,643.08-421,677,187.92-223,300,383.12

Finding the Fourth Proportional to 281,220,643.08, 421,677,187.92 and 223,300,383.12

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Solution

The fourth proportional to 281,220,643.08, 421,677,187.92 and 223,300,383.12 is: 334,828,469.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,220,643.08 : 421,677,187.92 = 223,300,383.12 : x
  2. Step 2: Convert to fraction form
    281,220,643.08/421,677,187.92 = 223,300,383.12/x
  3. Step 3: Cross multiply
    281,220,643.08x = 421,677,187.92 × 223,300,383.12
  4. Step 4: Simplify right side
    281,220,643.08x = 94,160,677,615,500,240
  5. Step 5: Solve for x
    x = 94,160,677,615,500,240/281,220,643.08
  6. Step 6: Final answer
    x = 334,828,469.86

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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.