Home / 55,801,448.96-77,043,576.96-49,902,780.80

Finding the Fourth Proportional to 55,801,448.96, 77,043,576.96 and 49,902,780.80

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Solution

The fourth proportional to 55,801,448.96, 77,043,576.96 and 49,902,780.80 is: 68,899,442.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801,448.96 : 77,043,576.96 = 49,902,780.80 : x
  2. Step 2: Convert to fraction form
    55,801,448.96/77,043,576.96 = 49,902,780.80/x
  3. Step 3: Cross multiply
    55,801,448.96x = 77,043,576.96 × 49,902,780.80
  4. Step 4: Simplify right side
    55,801,448.96x = 3,844,688,733,082,810
  5. Step 5: Solve for x
    x = 3,844,688,733,082,810/55,801,448.96
  6. Step 6: Final answer
    x = 68,899,442.66

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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.