Home / 31,250,361,336.30-43,129,195,743.87-18,563,147,127.90

Finding the Fourth Proportional to 31,250,361,336.30, 43,129,195,743.87 and 18,563,147,127.90

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Solution

The fourth proportional to 31,250,361,336.30, 43,129,195,743.87 and 18,563,147,127.90 is: 25,619,339,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250,361,336.30 : 43,129,195,743.87 = 18,563,147,127.90 : x
  2. Step 2: Convert to fraction form
    31,250,361,336.30/43,129,195,743.87 = 18,563,147,127.90/x
  3. Step 3: Cross multiply
    31,250,361,336.30x = 43,129,195,743.87 × 18,563,147,127.90
  4. Step 4: Simplify right side
    31,250,361,336.30x = 800,613,606,101,457,436,672
  5. Step 5: Solve for x
    x = 800,613,606,101,457,436,672/31,250,361,336.30
  6. Step 6: Final answer
    x = 25,619,339,164.94

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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.