Home / 199,365,715.40-298,835,996.70-76,496,556.20

Finding the Fourth Proportional to 199,365,715.40, 298,835,996.70 and 76,496,556.20

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Solution

The fourth proportional to 199,365,715.40, 298,835,996.70 and 76,496,556.20 is: 114,663,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,365,715.40 : 298,835,996.70 = 76,496,556.20 : x
  2. Step 2: Convert to fraction form
    199,365,715.40/298,835,996.70 = 76,496,556.20/x
  3. Step 3: Cross multiply
    199,365,715.40x = 298,835,996.70 × 76,496,556.20
  4. Step 4: Simplify right side
    199,365,715.40x = 22,859,924,616,144,564
  5. Step 5: Solve for x
    x = 22,859,924,616,144,564/199,365,715.40
  6. Step 6: Final answer
    x = 114,663,268.81

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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.