Home / 161,524,858.80-242,287,288.20-145,400,545.20

Finding the Fourth Proportional to 161,524,858.80, 242,287,288.20 and 145,400,545.20

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Solution

The fourth proportional to 161,524,858.80, 242,287,288.20 and 145,400,545.20 is: 218,100,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,524,858.80 : 242,287,288.20 = 145,400,545.20 : x
  2. Step 2: Convert to fraction form
    161,524,858.80/242,287,288.20 = 145,400,545.20/x
  3. Step 3: Cross multiply
    161,524,858.80x = 242,287,288.20 × 145,400,545.20
  4. Step 4: Simplify right side
    161,524,858.80x = 35,228,703,799,309,524
  5. Step 5: Solve for x
    x = 35,228,703,799,309,524/161,524,858.80
  6. Step 6: Final answer
    x = 218,100,817.80

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1.5x scale

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.