Home / 254,241,129.22-381,365,236.77-72,488,307.22

Finding the Fourth Proportional to 254,241,129.22, 381,365,236.77 and 72,488,307.22

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Solution

The fourth proportional to 254,241,129.22, 381,365,236.77 and 72,488,307.22 is: 108,733,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,241,129.22 : 381,365,236.77 = 72,488,307.22 : x
  2. Step 2: Convert to fraction form
    254,241,129.22/381,365,236.77 = 72,488,307.22/x
  3. Step 3: Cross multiply
    254,241,129.22x = 381,365,236.77 × 72,488,307.22
  4. Step 4: Simplify right side
    254,241,129.22x = 27,644,520,446,011,800
  5. Step 5: Solve for x
    x = 27,644,520,446,011,800/254,241,129.22
  6. Step 6: Final answer
    x = 108,733,470.98

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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.