Home / 67,381,012.78-92,985,859.64-36,441,182.06

Finding the Fourth Proportional to 67,381,012.78, 92,985,859.64 and 36,441,182.06

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Solution

The fourth proportional to 67,381,012.78, 92,985,859.64 and 36,441,182.06 is: 50,288,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,381,012.78 : 92,985,859.64 = 36,441,182.06 : x
  2. Step 2: Convert to fraction form
    67,381,012.78/92,985,859.64 = 36,441,182.06/x
  3. Step 3: Cross multiply
    67,381,012.78x = 92,985,859.64 × 36,441,182.06
  4. Step 4: Simplify right side
    67,381,012.78x = 3,388,514,640,229,613.50
  5. Step 5: Solve for x
    x = 3,388,514,640,229,613.50/67,381,012.78
  6. Step 6: Final answer
    x = 50,288,864.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.