Home / 126,171,247.20-189,270,160.47-52,386,649.44

Finding the Fourth Proportional to 126,171,247.20, 189,270,160.47 and 52,386,649.44

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Solution

The fourth proportional to 126,171,247.20, 189,270,160.47 and 52,386,649.44 is: 78,585,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,171,247.20 : 189,270,160.47 = 52,386,649.44 : x
  2. Step 2: Convert to fraction form
    126,171,247.20/189,270,160.47 = 52,386,649.44/x
  3. Step 3: Cross multiply
    126,171,247.20x = 189,270,160.47 × 52,386,649.44
  4. Step 4: Simplify right side
    126,171,247.20x = 9,915,229,545,994,436
  5. Step 5: Solve for x
    x = 9,915,229,545,994,436/126,171,247.20
  6. Step 6: Final answer
    x = 78,585,492.07

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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.