Home / 220,373,139.60-330,559,709.40-206,936,211.60

Finding the Fourth Proportional to 220,373,139.60, 330,559,709.40 and 206,936,211.60

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Solution

The fourth proportional to 220,373,139.60, 330,559,709.40 and 206,936,211.60 is: 310,404,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,373,139.60 : 330,559,709.40 = 206,936,211.60 : x
  2. Step 2: Convert to fraction form
    220,373,139.60/330,559,709.40 = 206,936,211.60/x
  3. Step 3: Cross multiply
    220,373,139.60x = 330,559,709.40 × 206,936,211.60
  4. Step 4: Simplify right side
    220,373,139.60x = 68,404,773,970,832,904
  5. Step 5: Solve for x
    x = 68,404,773,970,832,904/220,373,139.60
  6. Step 6: Final answer
    x = 310,404,317.40

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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.