Home / 100,602,279.20-150,903,418.80-87,847,695.20

Finding the Fourth Proportional to 100,602,279.20, 150,903,418.80 and 87,847,695.20

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Solution

The fourth proportional to 100,602,279.20, 150,903,418.80 and 87,847,695.20 is: 131,771,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,279.20 : 150,903,418.80 = 87,847,695.20 : x
  2. Step 2: Convert to fraction form
    100,602,279.20/150,903,418.80 = 87,847,695.20/x
  3. Step 3: Cross multiply
    100,602,279.20x = 150,903,418.80 × 87,847,695.20
  4. Step 4: Simplify right side
    100,602,279.20x = 13,256,517,539,380,352
  5. Step 5: Solve for x
    x = 13,256,517,539,380,352/100,602,279.20
  6. Step 6: Final answer
    x = 131,771,542.80

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Similar ratio
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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.