Home / 55,321,203.80-82,981,805.70-28,447,347.80

Finding the Fourth Proportional to 55,321,203.80, 82,981,805.70 and 28,447,347.80

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Solution

The fourth proportional to 55,321,203.80, 82,981,805.70 and 28,447,347.80 is: 42,671,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,321,203.80 : 82,981,805.70 = 28,447,347.80 : x
  2. Step 2: Convert to fraction form
    55,321,203.80/82,981,805.70 = 28,447,347.80/x
  3. Step 3: Cross multiply
    55,321,203.80x = 82,981,805.70 × 28,447,347.80
  4. Step 4: Simplify right side
    55,321,203.80x = 2,360,612,287,819,922.50
  5. Step 5: Solve for x
    x = 2,360,612,287,819,922.50/55,321,203.80
  6. Step 6: Final answer
    x = 42,671,021.70

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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.