Home / 33,072,189.40-45,640,152.18-18,188,101.72

Finding the Fourth Proportional to 33,072,189.40, 45,640,152.18 and 18,188,101.72

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Solution

The fourth proportional to 33,072,189.40, 45,640,152.18 and 18,188,101.72 is: 25,099,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,072,189.40 : 45,640,152.18 = 18,188,101.72 : x
  2. Step 2: Convert to fraction form
    33,072,189.40/45,640,152.18 = 18,188,101.72/x
  3. Step 3: Cross multiply
    33,072,189.40x = 45,640,152.18 × 18,188,101.72
  4. Step 4: Simplify right side
    33,072,189.40x = 830,107,730,366,119.75
  5. Step 5: Solve for x
    x = 830,107,730,366,119.75/33,072,189.40
  6. Step 6: Final answer
    x = 25,099,872.29

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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.