Home / 143,185,355.76-214,690,134.92-55,644,658.58

Finding the Fourth Proportional to 143,185,355.76, 214,690,134.92 and 55,644,658.58

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Solution

The fourth proportional to 143,185,355.76, 214,690,134.92 and 55,644,658.58 is: 83,432,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,185,355.76 : 214,690,134.92 = 55,644,658.58 : x
  2. Step 2: Convert to fraction form
    143,185,355.76/214,690,134.92 = 55,644,658.58/x
  3. Step 3: Cross multiply
    143,185,355.76x = 214,690,134.92 × 55,644,658.58
  4. Step 4: Simplify right side
    143,185,355.76x = 11,946,359,256,765,862
  5. Step 5: Solve for x
    x = 11,946,359,256,765,862/143,185,355.76
  6. Step 6: Final answer
    x = 83,432,828.68

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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.