Home / 135,620,102.60-203,430,153.90-43,503,662.60

Finding the Fourth Proportional to 135,620,102.60, 203,430,153.90 and 43,503,662.60

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Solution

The fourth proportional to 135,620,102.60, 203,430,153.90 and 43,503,662.60 is: 65,255,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,620,102.60 : 203,430,153.90 = 43,503,662.60 : x
  2. Step 2: Convert to fraction form
    135,620,102.60/203,430,153.90 = 43,503,662.60/x
  3. Step 3: Cross multiply
    135,620,102.60x = 203,430,153.90 × 43,503,662.60
  4. Step 4: Simplify right side
    135,620,102.60x = 8,849,956,777,931,675
  5. Step 5: Solve for x
    x = 8,849,956,777,931,675/135,620,102.60
  6. Step 6: Final answer
    x = 65,255,493.90

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Similar ratio
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1.5x scale

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.