Home / 204,423,672.72-306,625,317.66-75,021,102.57

Finding the Fourth Proportional to 204,423,672.72, 306,625,317.66 and 75,021,102.57

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Solution

The fourth proportional to 204,423,672.72, 306,625,317.66 and 75,021,102.57 is: 112,527,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,423,672.72 : 306,625,317.66 = 75,021,102.57 : x
  2. Step 2: Convert to fraction form
    204,423,672.72/306,625,317.66 = 75,021,102.57/x
  3. Step 3: Cross multiply
    204,423,672.72x = 306,625,317.66 × 75,021,102.57
  4. Step 4: Simplify right side
    204,423,672.72x = 23,003,369,406,729,692
  5. Step 5: Solve for x
    x = 23,003,369,406,729,692/204,423,672.72
  6. Step 6: Final answer
    x = 112,527,913.72

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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.