Home / 80,143,669.80-120,215,504.70-54,634,501.80

Finding the Fourth Proportional to 80,143,669.80, 120,215,504.70 and 54,634,501.80

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Solution

The fourth proportional to 80,143,669.80, 120,215,504.70 and 54,634,501.80 is: 81,951,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,143,669.80 : 120,215,504.70 = 54,634,501.80 : x
  2. Step 2: Convert to fraction form
    80,143,669.80/120,215,504.70 = 54,634,501.80/x
  3. Step 3: Cross multiply
    80,143,669.80x = 120,215,504.70 × 54,634,501.80
  4. Step 4: Simplify right side
    80,143,669.80x = 6,567,914,207,920,058
  5. Step 5: Solve for x
    x = 6,567,914,207,920,058/80,143,669.80
  6. Step 6: Final answer
    x = 81,951,752.70

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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.