Home / 51,379,822.64-77,050,532.10-20,664,034.58

Finding the Fourth Proportional to 51,379,822.64, 77,050,532.10 and 20,664,034.58

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Solution

The fourth proportional to 51,379,822.64, 77,050,532.10 and 20,664,034.58 is: 30,988,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,379,822.64 : 77,050,532.10 = 20,664,034.58 : x
  2. Step 2: Convert to fraction form
    51,379,822.64/77,050,532.10 = 20,664,034.58/x
  3. Step 3: Cross multiply
    51,379,822.64x = 77,050,532.10 × 20,664,034.58
  4. Step 4: Simplify right side
    51,379,822.64x = 1,592,174,859,721,799.75
  5. Step 5: Solve for x
    x = 1,592,174,859,721,799.75/51,379,822.64
  6. Step 6: Final answer
    x = 30,988,329.23

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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.