Home / 215,144,003.20-322,674,014.40-71,536,835.20

Finding the Fourth Proportional to 215,144,003.20, 322,674,014.40 and 71,536,835.20

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Solution

The fourth proportional to 215,144,003.20, 322,674,014.40 and 71,536,835.20 is: 107,291,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,144,003.20 : 322,674,014.40 = 71,536,835.20 : x
  2. Step 2: Convert to fraction form
    215,144,003.20/322,674,014.40 = 71,536,835.20/x
  3. Step 3: Cross multiply
    215,144,003.20x = 322,674,014.40 × 71,536,835.20
  4. Step 4: Simplify right side
    215,144,003.20x = 23,083,077,791,455,228
  5. Step 5: Solve for x
    x = 23,083,077,791,455,228/215,144,003.20
  6. Step 6: Final answer
    x = 107,291,290.71

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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.