Home / 140,945,609.20-211,355,428.20-54,655,337.20

Finding the Fourth Proportional to 140,945,609.20, 211,355,428.20 and 54,655,337.20

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Solution

The fourth proportional to 140,945,609.20, 211,355,428.20 and 54,655,337.20 is: 81,958,581.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,945,609.20 : 211,355,428.20 = 54,655,337.20 : x
  2. Step 2: Convert to fraction form
    140,945,609.20/211,355,428.20 = 54,655,337.20/x
  3. Step 3: Cross multiply
    140,945,609.20x = 211,355,428.20 × 54,655,337.20
  4. Step 4: Simplify right side
    140,945,609.20x = 11,551,702,197,321,390
  5. Step 5: Solve for x
    x = 11,551,702,197,321,390/140,945,609.20
  6. Step 6: Final answer
    x = 81,958,581.49

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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.