Home / 320,306,341.92-480,286,646.16-145,333,895.04

Finding the Fourth Proportional to 320,306,341.92, 480,286,646.16 and 145,333,895.04

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Solution

The fourth proportional to 320,306,341.92, 480,286,646.16 and 145,333,895.04 is: 217,922,407.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,306,341.92 : 480,286,646.16 = 145,333,895.04 : x
  2. Step 2: Convert to fraction form
    320,306,341.92/480,286,646.16 = 145,333,895.04/x
  3. Step 3: Cross multiply
    320,306,341.92x = 480,286,646.16 × 145,333,895.04
  4. Step 4: Simplify right side
    320,306,341.92x = 69,801,929,022,131,056
  5. Step 5: Solve for x
    x = 69,801,929,022,131,056/320,306,341.92
  6. Step 6: Final answer
    x = 217,922,407.04

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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.