Home / 78,095,453.15-117,060,587.46-28,879,683.46

Finding the Fourth Proportional to 78,095,453.15, 117,060,587.46 and 28,879,683.46

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Solution

The fourth proportional to 78,095,453.15, 117,060,587.46 and 28,879,683.46 is: 43,288,982.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,095,453.15 : 117,060,587.46 = 28,879,683.46 : x
  2. Step 2: Convert to fraction form
    78,095,453.15/117,060,587.46 = 28,879,683.46/x
  3. Step 3: Cross multiply
    78,095,453.15x = 117,060,587.46 × 28,879,683.46
  4. Step 4: Simplify right side
    78,095,453.15x = 3,380,672,711,193,793.50
  5. Step 5: Solve for x
    x = 3,380,672,711,193,793.50/78,095,453.15
  6. Step 6: Final answer
    x = 43,288,982.58

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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.