Home / 156,336,998.85-234,507,182.16-47,163,115.73

Finding the Fourth Proportional to 156,336,998.85, 234,507,182.16 and 47,163,115.73

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Solution

The fourth proportional to 156,336,998.85, 234,507,182.16 and 47,163,115.73 is: 70,745,181.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,336,998.85 : 234,507,182.16 = 47,163,115.73 : x
  2. Step 2: Convert to fraction form
    156,336,998.85/234,507,182.16 = 47,163,115.73/x
  3. Step 3: Cross multiply
    156,336,998.85x = 234,507,182.16 × 47,163,115.73
  4. Step 4: Simplify right side
    156,336,998.85x = 11,060,089,371,728,270
  5. Step 5: Solve for x
    x = 11,060,089,371,728,270/156,336,998.85
  6. Step 6: Final answer
    x = 70,745,181.58

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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.