Home / 161,589,628.80-242,384,443.20-40,421,080.80

Finding the Fourth Proportional to 161,589,628.80, 242,384,443.20 and 40,421,080.80

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Solution

The fourth proportional to 161,589,628.80, 242,384,443.20 and 40,421,080.80 is: 60,631,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,589,628.80 : 242,384,443.20 = 40,421,080.80 : x
  2. Step 2: Convert to fraction form
    161,589,628.80/242,384,443.20 = 40,421,080.80/x
  3. Step 3: Cross multiply
    161,589,628.80x = 242,384,443.20 × 40,421,080.80
  4. Step 4: Simplify right side
    161,589,628.80x = 9,797,441,163,250,210
  5. Step 5: Solve for x
    x = 9,797,441,163,250,210/161,589,628.80
  6. Step 6: Final answer
    x = 60,631,621.20

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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.