Home / 156,740,331.30-235,361,455.20-124,659,009.60

Finding the Fourth Proportional to 156,740,331.30, 235,361,455.20 and 124,659,009.60

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Solution

The fourth proportional to 156,740,331.30, 235,361,455.20 and 124,659,009.60 is: 187,188,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,740,331.30 : 235,361,455.20 = 124,659,009.60 : x
  2. Step 2: Convert to fraction form
    156,740,331.30/235,361,455.20 = 124,659,009.60/x
  3. Step 3: Cross multiply
    156,740,331.30x = 235,361,455.20 × 124,659,009.60
  4. Step 4: Simplify right side
    156,740,331.30x = 29,339,925,903,246,768
  5. Step 5: Solve for x
    x = 29,339,925,903,246,768/156,740,331.30
  6. Step 6: Final answer
    x = 187,188,106.98

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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.