Home / 161,524,987.80-242,287,481.70-145,400,674.20

Finding the Fourth Proportional to 161,524,987.80, 242,287,481.70 and 145,400,674.20

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Solution

The fourth proportional to 161,524,987.80, 242,287,481.70 and 145,400,674.20 is: 218,101,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,524,987.80 : 242,287,481.70 = 145,400,674.20 : x
  2. Step 2: Convert to fraction form
    161,524,987.80/242,287,481.70 = 145,400,674.20/x
  3. Step 3: Cross multiply
    161,524,987.80x = 242,287,481.70 × 145,400,674.20
  4. Step 4: Simplify right side
    161,524,987.80x = 35,228,763,189,400,156
  5. Step 5: Solve for x
    x = 35,228,763,189,400,156/161,524,987.80
  6. Step 6: Final answer
    x = 218,101,011.30

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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.