Home / 168,818,898.06-253,096,058.70-66,659,404.14

Finding the Fourth Proportional to 168,818,898.06, 253,096,058.70 and 66,659,404.14

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Solution

The fourth proportional to 168,818,898.06, 253,096,058.70 and 66,659,404.14 is: 99,936,871.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,818,898.06 : 253,096,058.70 = 66,659,404.14 : x
  2. Step 2: Convert to fraction form
    168,818,898.06/253,096,058.70 = 66,659,404.14/x
  3. Step 3: Cross multiply
    168,818,898.06x = 253,096,058.70 × 66,659,404.14
  4. Step 4: Simplify right side
    168,818,898.06x = 16,871,232,463,124,462
  5. Step 5: Solve for x
    x = 16,871,232,463,124,462/168,818,898.06
  6. Step 6: Final answer
    x = 99,936,871.15

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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.