Home / 51,660,905.92-71,289,416.64-28,455,533.44

Finding the Fourth Proportional to 51,660,905.92, 71,289,416.64 and 28,455,533.44

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Solution

The fourth proportional to 51,660,905.92, 71,289,416.64 and 28,455,533.44 is: 39,267,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,660,905.92 : 71,289,416.64 = 28,455,533.44 : x
  2. Step 2: Convert to fraction form
    51,660,905.92/71,289,416.64 = 28,455,533.44/x
  3. Step 3: Cross multiply
    51,660,905.92x = 71,289,416.64 × 28,455,533.44
  4. Step 4: Simplify right side
    51,660,905.92x = 2,028,578,379,117,612.50
  5. Step 5: Solve for x
    x = 2,028,578,379,117,612.50/51,660,905.92
  6. Step 6: Final answer
    x = 39,267,185.56

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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.