Home / 79,713,046.80-119,569,570.20-25,860,358.80

Finding the Fourth Proportional to 79,713,046.80, 119,569,570.20 and 25,860,358.80

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Solution

The fourth proportional to 79,713,046.80, 119,569,570.20 and 25,860,358.80 is: 38,790,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,713,046.80 : 119,569,570.20 = 25,860,358.80 : x
  2. Step 2: Convert to fraction form
    79,713,046.80/119,569,570.20 = 25,860,358.80/x
  3. Step 3: Cross multiply
    79,713,046.80x = 119,569,570.20 × 25,860,358.80
  4. Step 4: Simplify right side
    79,713,046.80x = 3,092,111,986,933,788
  5. Step 5: Solve for x
    x = 3,092,111,986,933,788/79,713,046.80
  6. Step 6: Final answer
    x = 38,790,538.20

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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.