Home / 166,224,871,502.43-229,384,177,065.72-90,099,651,215.21

Finding the Fourth Proportional to 166,224,871,502.43, 229,384,177,065.72 and 90,099,651,215.21

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Solution

The fourth proportional to 166,224,871,502.43, 229,384,177,065.72 and 90,099,651,215.21 is: 124,334,187,544.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,224,871,502.43 : 229,384,177,065.72 = 90,099,651,215.21 : x
  2. Step 2: Convert to fraction form
    166,224,871,502.43/229,384,177,065.72 = 90,099,651,215.21/x
  3. Step 3: Cross multiply
    166,224,871,502.43x = 229,384,177,065.72 × 90,099,651,215.21
  4. Step 4: Simplify right side
    166,224,871,502.43x = 20,667,434,347,908,200,136,704
  5. Step 5: Solve for x
    x = 20,667,434,347,908,200,136,704/166,224,871,502.43
  6. Step 6: Final answer
    x = 124,334,187,544.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.