Home / 160,394,929.50-221,345,166.52-87,056,086.62

Finding the Fourth Proportional to 160,394,929.50, 221,345,166.52 and 87,056,086.62

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Solution

The fourth proportional to 160,394,929.50, 221,345,166.52 and 87,056,086.62 is: 120,137,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,394,929.50 : 221,345,166.52 = 87,056,086.62 : x
  2. Step 2: Convert to fraction form
    160,394,929.50/221,345,166.52 = 87,056,086.62/x
  3. Step 3: Cross multiply
    160,394,929.50x = 221,345,166.52 × 87,056,086.62
  4. Step 4: Simplify right side
    160,394,929.50x = 19,269,443,988,159,076
  5. Step 5: Solve for x
    x = 19,269,443,988,159,076/160,394,929.50
  6. Step 6: Final answer
    x = 120,137,488.44

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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.