Home / 52,147,749.87-78,235,575.26-18,069,095.79

Finding the Fourth Proportional to 52,147,749.87, 78,235,575.26 and 18,069,095.79

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Solution

The fourth proportional to 52,147,749.87, 78,235,575.26 and 18,069,095.79 is: 27,108,477.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,147,749.87 : 78,235,575.26 = 18,069,095.79 : x
  2. Step 2: Convert to fraction form
    52,147,749.87/78,235,575.26 = 18,069,095.79/x
  3. Step 3: Cross multiply
    52,147,749.87x = 78,235,575.26 × 18,069,095.79
  4. Step 4: Simplify right side
    52,147,749.87x = 1,413,646,103,468,348.50
  5. Step 5: Solve for x
    x = 1,413,646,103,468,348.50/52,147,749.87
  6. Step 6: Final answer
    x = 27,108,477.49

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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.