Home / 51,231,144.09-70,699,536.85-28,025,772.82

Finding the Fourth Proportional to 51,231,144.09, 70,699,536.85 and 28,025,772.82

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Solution

The fourth proportional to 51,231,144.09, 70,699,536.85 and 28,025,772.82 is: 38,675,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231,144.09 : 70,699,536.85 = 28,025,772.82 : x
  2. Step 2: Convert to fraction form
    51,231,144.09/70,699,536.85 = 28,025,772.82/x
  3. Step 3: Cross multiply
    51,231,144.09x = 70,699,536.85 × 28,025,772.82
  4. Step 4: Simplify right side
    51,231,144.09x = 1,981,409,158,281,405
  5. Step 5: Solve for x
    x = 1,981,409,158,281,405/51,231,144.09
  6. Step 6: Final answer
    x = 38,675,871.75

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1.5x scale

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.