Home / 51,991,161.48-71,750,042.91-28,786,287.15

Finding the Fourth Proportional to 51,991,161.48, 71,750,042.91 and 28,786,287.15

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Solution

The fourth proportional to 51,991,161.48, 71,750,042.91 and 28,786,287.15 is: 39,726,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,991,161.48 : 71,750,042.91 = 28,786,287.15 : x
  2. Step 2: Convert to fraction form
    51,991,161.48/71,750,042.91 = 28,786,287.15/x
  3. Step 3: Cross multiply
    51,991,161.48x = 71,750,042.91 × 28,786,287.15
  4. Step 4: Simplify right side
    51,991,161.48x = 2,065,417,338,232,081.50
  5. Step 5: Solve for x
    x = 2,065,417,338,232,081.50/51,991,161.48
  6. Step 6: Final answer
    x = 39,726,316.54

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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.