Home / 81,464,168.68-122,273,043.87-29,698,805.42

Finding the Fourth Proportional to 81,464,168.68, 122,273,043.87 and 29,698,805.42

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Solution

The fourth proportional to 81,464,168.68, 122,273,043.87 and 29,698,805.42 is: 44,576,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,464,168.68 : 122,273,043.87 = 29,698,805.42 : x
  2. Step 2: Convert to fraction form
    81,464,168.68/122,273,043.87 = 29,698,805.42/x
  3. Step 3: Cross multiply
    81,464,168.68x = 122,273,043.87 × 29,698,805.42
  4. Step 4: Simplify right side
    81,464,168.68x = 3,631,363,338,485,364.50
  5. Step 5: Solve for x
    x = 3,631,363,338,485,364.50/81,464,168.68
  6. Step 6: Final answer
    x = 44,576,203.22

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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.