Home / 151,672,250.55-209,452,257.71-143,409,169.92

Finding the Fourth Proportional to 151,672,250.55, 209,452,257.71 and 143,409,169.92

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Solution

The fourth proportional to 151,672,250.55, 209,452,257.71 and 143,409,169.92 is: 198,041,331.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,672,250.55 : 209,452,257.71 = 143,409,169.92 : x
  2. Step 2: Convert to fraction form
    151,672,250.55/209,452,257.71 = 143,409,169.92/x
  3. Step 3: Cross multiply
    151,672,250.55x = 209,452,257.71 × 143,409,169.92
  4. Step 4: Simplify right side
    151,672,250.55x = 30,037,374,415,013,760
  5. Step 5: Solve for x
    x = 30,037,374,415,013,760/151,672,250.55
  6. Step 6: Final answer
    x = 198,041,331.27

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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.