Home / 156,630,011.40-234,945,017.10-133,451,310.60

Finding the Fourth Proportional to 156,630,011.40, 234,945,017.10 and 133,451,310.60

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Solution

The fourth proportional to 156,630,011.40, 234,945,017.10 and 133,451,310.60 is: 200,176,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,630,011.40 : 234,945,017.10 = 133,451,310.60 : x
  2. Step 2: Convert to fraction form
    156,630,011.40/234,945,017.10 = 133,451,310.60/x
  3. Step 3: Cross multiply
    156,630,011.40x = 234,945,017.10 × 133,451,310.60
  4. Step 4: Simplify right side
    156,630,011.40x = 31,353,720,450,934,408
  5. Step 5: Solve for x
    x = 31,353,720,450,934,408/156,630,011.40
  6. Step 6: Final answer
    x = 200,176,965.90

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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.