Home / 320,468,153.88-480,783,061.26-148,066,856.40

Finding the Fourth Proportional to 320,468,153.88, 480,783,061.26 and 148,066,856.40

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Solution

The fourth proportional to 320,468,153.88, 480,783,061.26 and 148,066,856.40 is: 222,137,630.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,468,153.88 : 480,783,061.26 = 148,066,856.40 : x
  2. Step 2: Convert to fraction form
    320,468,153.88/480,783,061.26 = 148,066,856.40/x
  3. Step 3: Cross multiply
    320,468,153.88x = 480,783,061.26 × 148,066,856.40
  4. Step 4: Simplify right side
    320,468,153.88x = 71,188,036,491,136,824
  5. Step 5: Solve for x
    x = 71,188,036,491,136,824/320,468,153.88
  6. Step 6: Final answer
    x = 222,137,630.93

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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.