Home / 220,878,153.60-331,317,230.40-219,534,460.80

Finding the Fourth Proportional to 220,878,153.60, 331,317,230.40 and 219,534,460.80

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Solution

The fourth proportional to 220,878,153.60, 331,317,230.40 and 219,534,460.80 is: 329,301,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,878,153.60 : 331,317,230.40 = 219,534,460.80 : x
  2. Step 2: Convert to fraction form
    220,878,153.60/331,317,230.40 = 219,534,460.80/x
  3. Step 3: Cross multiply
    220,878,153.60x = 331,317,230.40 × 219,534,460.80
  4. Step 4: Simplify right side
    220,878,153.60x = 72,735,549,529,613,360
  5. Step 5: Solve for x
    x = 72,735,549,529,613,360/220,878,153.60
  6. Step 6: Final answer
    x = 329,301,691.20

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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.