Home / 74,327,137.20-111,384,417.60-51,581,462.40

Finding the Fourth Proportional to 74,327,137.20, 111,384,417.60 and 51,581,462.40

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Solution

The fourth proportional to 74,327,137.20, 111,384,417.60 and 51,581,462.40 is: 77,298,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,327,137.20 : 111,384,417.60 = 51,581,462.40 : x
  2. Step 2: Convert to fraction form
    74,327,137.20/111,384,417.60 = 51,581,462.40/x
  3. Step 3: Cross multiply
    74,327,137.20x = 111,384,417.60 × 51,581,462.40
  4. Step 4: Simplify right side
    74,327,137.20x = 5,745,371,148,380,298
  5. Step 5: Solve for x
    x = 5,745,371,148,380,298/74,327,137.20
  6. Step 6: Final answer
    x = 77,298,431.84

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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.