Home / 353,515,231.10-530,240,128.52-166,726,344.67

Finding the Fourth Proportional to 353,515,231.10, 530,240,128.52 and 166,726,344.67

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Solution

The fourth proportional to 353,515,231.10, 530,240,128.52 and 166,726,344.67 is: 250,074,086.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,515,231.10 : 530,240,128.52 = 166,726,344.67 : x
  2. Step 2: Convert to fraction form
    353,515,231.10/530,240,128.52 = 166,726,344.67/x
  3. Step 3: Cross multiply
    353,515,231.10x = 530,240,128.52 × 166,726,344.67
  4. Step 4: Simplify right side
    353,515,231.10x = 88,404,998,425,490,608
  5. Step 5: Solve for x
    x = 88,404,998,425,490,608/353,515,231.10
  6. Step 6: Final answer
    x = 250,074,086.34

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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.