Home / 140,623,998.18-210,940,781.06-66,809,683.18

Finding the Fourth Proportional to 140,623,998.18, 210,940,781.06 and 66,809,683.18

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Solution

The fourth proportional to 140,623,998.18, 210,940,781.06 and 66,809,683.18 is: 100,216,797.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,623,998.18 : 210,940,781.06 = 66,809,683.18 : x
  2. Step 2: Convert to fraction form
    140,623,998.18/210,940,781.06 = 66,809,683.18/x
  3. Step 3: Cross multiply
    140,623,998.18x = 210,940,781.06 × 66,809,683.18
  4. Step 4: Simplify right side
    140,623,998.18x = 14,092,886,752,360,344
  5. Step 5: Solve for x
    x = 14,092,886,752,360,344/140,623,998.18
  6. Step 6: Final answer
    x = 100,216,797.52

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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.