Home / 156,342,764.76-234,361,644.86-74,439,636.62

Finding the Fourth Proportional to 156,342,764.76, 234,361,644.86 and 74,439,636.62

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Solution

The fourth proportional to 156,342,764.76, 234,361,644.86 and 74,439,636.62 is: 111,586,843.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,342,764.76 : 234,361,644.86 = 74,439,636.62 : x
  2. Step 2: Convert to fraction form
    156,342,764.76/234,361,644.86 = 74,439,636.62/x
  3. Step 3: Cross multiply
    156,342,764.76x = 234,361,644.86 × 74,439,636.62
  4. Step 4: Simplify right side
    156,342,764.76x = 17,445,795,681,043,892
  5. Step 5: Solve for x
    x = 17,445,795,681,043,892/156,342,764.76
  6. Step 6: Final answer
    x = 111,586,843.87

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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.