Home / 100,334,910.15-150,502,365.23-54,985,278.15

Finding the Fourth Proportional to 100,334,910.15, 150,502,365.23 and 54,985,278.15

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Solution

The fourth proportional to 100,334,910.15, 150,502,365.23 and 54,985,278.15 is: 82,477,917.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,334,910.15 : 150,502,365.23 = 54,985,278.15 : x
  2. Step 2: Convert to fraction form
    100,334,910.15/150,502,365.23 = 54,985,278.15/x
  3. Step 3: Cross multiply
    100,334,910.15x = 150,502,365.23 × 54,985,278.15
  4. Step 4: Simplify right side
    100,334,910.15x = 8,275,414,414,129,512
  5. Step 5: Solve for x
    x = 8,275,414,414,129,512/100,334,910.15
  6. Step 6: Final answer
    x = 82,477,917.23

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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.