Home / 199,320,070.20-299,064,086.10-108,508,831.80

Finding the Fourth Proportional to 199,320,070.20, 299,064,086.10 and 108,508,831.80

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Solution

The fourth proportional to 199,320,070.20, 299,064,086.10 and 108,508,831.80 is: 162,808,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,320,070.20 : 299,064,086.10 = 108,508,831.80 : x
  2. Step 2: Convert to fraction form
    199,320,070.20/299,064,086.10 = 108,508,831.80/x
  3. Step 3: Cross multiply
    199,320,070.20x = 299,064,086.10 × 108,508,831.80
  4. Step 4: Simplify right side
    199,320,070.20x = 32,451,094,616,045,620
  5. Step 5: Solve for x
    x = 32,451,094,616,045,620/199,320,070.20
  6. Step 6: Final answer
    x = 162,808,966.42

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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.