Home / 168,818,899.06-253,096,060.20-66,659,405.14

Finding the Fourth Proportional to 168,818,899.06, 253,096,060.20 and 66,659,405.14

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Solution

The fourth proportional to 168,818,899.06, 253,096,060.20 and 66,659,405.14 is: 99,936,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,818,899.06 : 253,096,060.20 = 66,659,405.14 : x
  2. Step 2: Convert to fraction form
    168,818,899.06/253,096,060.20 = 66,659,405.14/x
  3. Step 3: Cross multiply
    168,818,899.06x = 253,096,060.20 × 66,659,405.14
  4. Step 4: Simplify right side
    168,818,899.06x = 16,871,232,816,209,628
  5. Step 5: Solve for x
    x = 16,871,232,816,209,628/168,818,899.06
  6. Step 6: Final answer
    x = 99,936,872.65

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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.