Home / 51,991,162.61-71,750,044.42-28,786,288.28

Finding the Fourth Proportional to 51,991,162.61, 71,750,044.42 and 28,786,288.28

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Solution

The fourth proportional to 51,991,162.61, 71,750,044.42 and 28,786,288.28 is: 39,726,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991,162.61 : 71,750,044.42 = 28,786,288.28 : x
  2. Step 2: Convert to fraction form
    51,991,162.61/71,750,044.42 = 28,786,288.28/x
  3. Step 3: Cross multiply
    51,991,162.61x = 71,750,044.42 × 28,786,288.28
  4. Step 4: Simplify right side
    51,991,162.61x = 2,065,417,462,346,209.50
  5. Step 5: Solve for x
    x = 2,065,417,462,346,209.50/51,991,162.61
  6. Step 6: Final answer
    x = 39,726,318.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.