Home / 320,468,155.88-480,783,064.26-148,066,858.40

Finding the Fourth Proportional to 320,468,155.88, 480,783,064.26 and 148,066,858.40

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Solution

The fourth proportional to 320,468,155.88, 480,783,064.26 and 148,066,858.40 is: 222,137,633.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,468,155.88 : 480,783,064.26 = 148,066,858.40 : x
  2. Step 2: Convert to fraction form
    320,468,155.88/480,783,064.26 = 148,066,858.40/x
  3. Step 3: Cross multiply
    320,468,155.88x = 480,783,064.26 × 148,066,858.40
  4. Step 4: Simplify right side
    320,468,155.88x = 71,188,037,896,903,520
  5. Step 5: Solve for x
    x = 71,188,037,896,903,520/320,468,155.88
  6. Step 6: Final answer
    x = 222,137,633.93

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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.