Home / 140,623,993.17-210,940,773.56-66,809,678.18

Finding the Fourth Proportional to 140,623,993.17, 210,940,773.56 and 66,809,678.18

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Solution

The fourth proportional to 140,623,993.17, 210,940,773.56 and 66,809,678.18 is: 100,216,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,623,993.17 : 210,940,773.56 = 66,809,678.18 : x
  2. Step 2: Convert to fraction form
    140,623,993.17/210,940,773.56 = 66,809,678.18/x
  3. Step 3: Cross multiply
    140,623,993.17x = 210,940,773.56 × 66,809,678.18
  4. Step 4: Simplify right side
    140,623,993.17x = 14,092,885,195,821,774
  5. Step 5: Solve for x
    x = 14,092,885,195,821,774/140,623,993.17
  6. Step 6: Final answer
    x = 100,216,790.02

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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.