Home / 143,272,297,709.20-214,908,446,563.80-68,703,897,811.60

Finding the Fourth Proportional to 143,272,297,709.20, 214,908,446,563.80 and 68,703,897,811.60

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Solution

The fourth proportional to 143,272,297,709.20, 214,908,446,563.80 and 68,703,897,811.60 is: 103,055,846,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,272,297,709.20 : 214,908,446,563.80 = 68,703,897,811.60 : x
  2. Step 2: Convert to fraction form
    143,272,297,709.20/214,908,446,563.80 = 68,703,897,811.60/x
  3. Step 3: Cross multiply
    143,272,297,709.20x = 214,908,446,563.80 × 68,703,897,811.60
  4. Step 4: Simplify right side
    143,272,297,709.20x = 14,765,047,951,569,012,654,080
  5. Step 5: Solve for x
    x = 14,765,047,951,569,012,654,080/143,272,297,709.20
  6. Step 6: Final answer
    x = 103,055,846,717.40

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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.