Home / 254,241,130.22-381,365,238.28-72,488,308.22

Finding the Fourth Proportional to 254,241,130.22, 381,365,238.28 and 72,488,308.22

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Solution

The fourth proportional to 254,241,130.22, 381,365,238.28 and 72,488,308.22 is: 108,733,472.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,241,130.22 : 381,365,238.28 = 72,488,308.22 : x
  2. Step 2: Convert to fraction form
    254,241,130.22/381,365,238.28 = 72,488,308.22/x
  3. Step 3: Cross multiply
    254,241,130.22x = 381,365,238.28 × 72,488,308.22
  4. Step 4: Simplify right side
    254,241,130.22x = 27,644,520,936,834,380
  5. Step 5: Solve for x
    x = 27,644,520,936,834,380/254,241,130.22
  6. Step 6: Final answer
    x = 108,733,472.48

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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.