Home / 51,320,450.88-70,822,308.64-28,115,069.76

Finding the Fourth Proportional to 51,320,450.88, 70,822,308.64 and 28,115,069.76

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Solution

The fourth proportional to 51,320,450.88, 70,822,308.64 and 28,115,069.76 is: 38,798,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,320,450.88 : 70,822,308.64 = 28,115,069.76 : x
  2. Step 2: Convert to fraction form
    51,320,450.88/70,822,308.64 = 28,115,069.76/x
  3. Step 3: Cross multiply
    51,320,450.88x = 70,822,308.64 × 28,115,069.76
  4. Step 4: Simplify right side
    51,320,450.88x = 1,991,174,147,977,850.75
  5. Step 5: Solve for x
    x = 1,991,174,147,977,850.75/51,320,450.88
  6. Step 6: Final answer
    x = 38,798,843.62

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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.