Home / 99,446,568.80-148,917,910.80-79,291,176.80

Finding the Fourth Proportional to 99,446,568.80, 148,917,910.80 and 79,291,176.80

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Solution

The fourth proportional to 99,446,568.80, 148,917,910.80 and 79,291,176.80 is: 118,735,885.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,446,568.80 : 148,917,910.80 = 79,291,176.80 : x
  2. Step 2: Convert to fraction form
    99,446,568.80/148,917,910.80 = 79,291,176.80/x
  3. Step 3: Cross multiply
    99,446,568.80x = 148,917,910.80 × 79,291,176.80
  4. Step 4: Simplify right side
    99,446,568.80x = 11,807,876,393,929,430
  5. Step 5: Solve for x
    x = 11,807,876,393,929,430/99,446,568.80
  6. Step 6: Final answer
    x = 118,735,885.37

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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.