Home / 160,394,889.12-221,345,110.80-87,056,046.24

Finding the Fourth Proportional to 160,394,889.12, 221,345,110.80 and 87,056,046.24

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Solution

The fourth proportional to 160,394,889.12, 221,345,110.80 and 87,056,046.24 is: 120,137,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,394,889.12 : 221,345,110.80 = 87,056,046.24 : x
  2. Step 2: Convert to fraction form
    160,394,889.12/221,345,110.80 = 87,056,046.24/x
  3. Step 3: Cross multiply
    160,394,889.12x = 221,345,110.80 × 87,056,046.24
  4. Step 4: Simplify right side
    160,394,889.12x = 19,269,430,200,802,724
  5. Step 5: Solve for x
    x = 19,269,430,200,802,724/160,394,889.12
  6. Step 6: Final answer
    x = 120,137,432.72

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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.