Home / 320,206,850.28-441,885,831.30-173,529,134.28

Finding the Fourth Proportional to 320,206,850.28, 441,885,831.30 and 173,529,134.28

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Solution

The fourth proportional to 320,206,850.28, 441,885,831.30 and 173,529,134.28 is: 239,470,410.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,206,850.28 : 441,885,831.30 = 173,529,134.28 : x
  2. Step 2: Convert to fraction form
    320,206,850.28/441,885,831.30 = 173,529,134.28/x
  3. Step 3: Cross multiply
    320,206,850.28x = 441,885,831.30 × 173,529,134.28
  4. Step 4: Simplify right side
    320,206,850.28x = 76,680,065,756,087,136
  5. Step 5: Solve for x
    x = 76,680,065,756,087,136/320,206,850.28
  6. Step 6: Final answer
    x = 239,470,410.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.