Home / 140,299,021.60-210,443,789.04-49,420,235.68

Finding the Fourth Proportional to 140,299,021.60, 210,443,789.04 and 49,420,235.68

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Solution

The fourth proportional to 140,299,021.60, 210,443,789.04 and 49,420,235.68 is: 74,128,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,299,021.60 : 210,443,789.04 = 49,420,235.68 : x
  2. Step 2: Convert to fraction form
    140,299,021.60/210,443,789.04 = 49,420,235.68/x
  3. Step 3: Cross multiply
    140,299,021.60x = 210,443,789.04 × 49,420,235.68
  4. Step 4: Simplify right side
    140,299,021.60x = 10,400,181,651,749,000
  5. Step 5: Solve for x
    x = 10,400,181,651,749,000/140,299,021.60
  6. Step 6: Final answer
    x = 74,128,682.67

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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.