Home / 254,241,108.72-381,365,206.02-72,488,286.72

Finding the Fourth Proportional to 254,241,108.72, 381,365,206.02 and 72,488,286.72

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Solution

The fourth proportional to 254,241,108.72, 381,365,206.02 and 72,488,286.72 is: 108,733,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,241,108.72 : 381,365,206.02 = 72,488,286.72 : x
  2. Step 2: Convert to fraction form
    254,241,108.72/381,365,206.02 = 72,488,286.72/x
  3. Step 3: Cross multiply
    254,241,108.72x = 381,365,206.02 × 72,488,286.72
  4. Step 4: Simplify right side
    254,241,108.72x = 27,644,510,399,009,628
  5. Step 5: Solve for x
    x = 27,644,510,399,009,628/254,241,108.72
  6. Step 6: Final answer
    x = 108,733,440.23

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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.