Home / 331,778,668.40-497,668,002.60-101,783,250.80

Finding the Fourth Proportional to 331,778,668.40, 497,668,002.60 and 101,783,250.80

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Solution

The fourth proportional to 331,778,668.40, 497,668,002.60 and 101,783,250.80 is: 152,674,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,778,668.40 : 497,668,002.60 = 101,783,250.80 : x
  2. Step 2: Convert to fraction form
    331,778,668.40/497,668,002.60 = 101,783,250.80/x
  3. Step 3: Cross multiply
    331,778,668.40x = 497,668,002.60 × 101,783,250.80
  4. Step 4: Simplify right side
    331,778,668.40x = 50,654,267,123,770,856
  5. Step 5: Solve for x
    x = 50,654,267,123,770,856/331,778,668.40
  6. Step 6: Final answer
    x = 152,674,876.20

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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.