Home / 101,154,100.80-151,731,151.20-75,644,932.80

Finding the Fourth Proportional to 101,154,100.80, 151,731,151.20 and 75,644,932.80

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Solution

The fourth proportional to 101,154,100.80, 151,731,151.20 and 75,644,932.80 is: 113,467,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,154,100.80 : 151,731,151.20 = 75,644,932.80 : x
  2. Step 2: Convert to fraction form
    101,154,100.80/151,731,151.20 = 75,644,932.80/x
  3. Step 3: Cross multiply
    101,154,100.80x = 151,731,151.20 × 75,644,932.80
  4. Step 4: Simplify right side
    101,154,100.80x = 11,477,692,736,190,638
  5. Step 5: Solve for x
    x = 11,477,692,736,190,638/101,154,100.80
  6. Step 6: Final answer
    x = 113,467,399.20

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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.