Home / 53,859,871.22-80,797,779.66-19,778,559.90

Finding the Fourth Proportional to 53,859,871.22, 80,797,779.66 and 19,778,559.90

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Solution

The fourth proportional to 53,859,871.22, 80,797,779.66 and 19,778,559.90 is: 29,670,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859,871.22 : 80,797,779.66 = 19,778,559.90 : x
  2. Step 2: Convert to fraction form
    53,859,871.22/80,797,779.66 = 19,778,559.90/x
  3. Step 3: Cross multiply
    53,859,871.22x = 80,797,779.66 × 19,778,559.90
  4. Step 4: Simplify right side
    53,859,871.22x = 1,598,063,724,792,311.50
  5. Step 5: Solve for x
    x = 1,598,063,724,792,311.50/53,859,871.22
  6. Step 6: Final answer
    x = 29,670,767.65

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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.