Home / 126,187,998.40-189,356,647.20-92,023,364.80

Finding the Fourth Proportional to 126,187,998.40, 189,356,647.20 and 92,023,364.80

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Solution

The fourth proportional to 126,187,998.40, 189,356,647.20 and 92,023,364.80 is: 138,089,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,187,998.40 : 189,356,647.20 = 92,023,364.80 : x
  2. Step 2: Convert to fraction form
    126,187,998.40/189,356,647.20 = 92,023,364.80/x
  3. Step 3: Cross multiply
    126,187,998.40x = 189,356,647.20 × 92,023,364.80
  4. Step 4: Simplify right side
    126,187,998.40x = 17,425,235,822,590,496
  5. Step 5: Solve for x
    x = 17,425,235,822,590,496/126,187,998.40
  6. Step 6: Final answer
    x = 138,089,485.87

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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.