Home / 79,236,430.30-118,854,645.45-21,734,514.10

Finding the Fourth Proportional to 79,236,430.30, 118,854,645.45 and 21,734,514.10

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Solution

The fourth proportional to 79,236,430.30, 118,854,645.45 and 21,734,514.10 is: 32,601,771.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,236,430.30 : 118,854,645.45 = 21,734,514.10 : x
  2. Step 2: Convert to fraction form
    79,236,430.30/118,854,645.45 = 21,734,514.10/x
  3. Step 3: Cross multiply
    79,236,430.30x = 118,854,645.45 × 21,734,514.10
  4. Step 4: Simplify right side
    79,236,430.30x = 2,583,247,967,383,526
  5. Step 5: Solve for x
    x = 2,583,247,967,383,526/79,236,430.30
  6. Step 6: Final answer
    x = 32,601,771.15

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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.