Home / 161,725,519.20-242,588,278.80-144,257,512.80

Finding the Fourth Proportional to 161,725,519.20, 242,588,278.80 and 144,257,512.80

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Solution

The fourth proportional to 161,725,519.20, 242,588,278.80 and 144,257,512.80 is: 216,386,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,725,519.20 : 242,588,278.80 = 144,257,512.80 : x
  2. Step 2: Convert to fraction form
    161,725,519.20/242,588,278.80 = 144,257,512.80/x
  3. Step 3: Cross multiply
    161,725,519.20x = 242,588,278.80 × 144,257,512.80
  4. Step 4: Simplify right side
    161,725,519.20x = 34,995,181,734,120,972
  5. Step 5: Solve for x
    x = 34,995,181,734,120,972/161,725,519.20
  6. Step 6: Final answer
    x = 216,386,269.20

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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.