Home / 220,750,941.21-304,540,577.13-131,392,780.30

Finding the Fourth Proportional to 220,750,941.21, 304,540,577.13 and 131,392,780.30

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Solution

The fourth proportional to 220,750,941.21, 304,540,577.13 and 131,392,780.30 is: 181,265,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,750,941.21 : 304,540,577.13 = 131,392,780.30 : x
  2. Step 2: Convert to fraction form
    220,750,941.21/304,540,577.13 = 131,392,780.30/x
  3. Step 3: Cross multiply
    220,750,941.21x = 304,540,577.13 × 131,392,780.30
  4. Step 4: Simplify right side
    220,750,941.21x = 40,014,433,143,277,296
  5. Step 5: Solve for x
    x = 40,014,433,143,277,296/220,750,941.21
  6. Step 6: Final answer
    x = 181,265,062.45

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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.