Home / 40,128,000.70-60,192,001.05-29,909,299.90

Finding the Fourth Proportional to 40,128,000.70, 60,192,001.05 and 29,909,299.90

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Solution

The fourth proportional to 40,128,000.70, 60,192,001.05 and 29,909,299.90 is: 44,863,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128,000.70 : 60,192,001.05 = 29,909,299.90 : x
  2. Step 2: Convert to fraction form
    40,128,000.70/60,192,001.05 = 29,909,299.90/x
  3. Step 3: Cross multiply
    40,128,000.70x = 60,192,001.05 × 29,909,299.90
  4. Step 4: Simplify right side
    40,128,000.70x = 1,800,300,610,985,564.75
  5. Step 5: Solve for x
    x = 1,800,300,610,985,564.75/40,128,000.70
  6. Step 6: Final answer
    x = 44,863,949.85

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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.