Home / 87,614,609.80-131,421,914.70-73,743,999.70

Finding the Fourth Proportional to 87,614,609.80, 131,421,914.70 and 73,743,999.70

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Solution

The fourth proportional to 87,614,609.80, 131,421,914.70 and 73,743,999.70 is: 110,615,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614,609.80 : 131,421,914.70 = 73,743,999.70 : x
  2. Step 2: Convert to fraction form
    87,614,609.80/131,421,914.70 = 73,743,999.70/x
  3. Step 3: Cross multiply
    87,614,609.80x = 131,421,914.70 × 73,743,999.70
  4. Step 4: Simplify right side
    87,614,609.80x = 9,691,577,638,210,226
  5. Step 5: Solve for x
    x = 9,691,577,638,210,226/87,614,609.80
  6. Step 6: Final answer
    x = 110,615,999.55

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1.5x scale

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.