Home / 78,171,393.27-117,180,838.72-37,219,829.20

Finding the Fourth Proportional to 78,171,393.27, 117,180,838.72 and 37,219,829.20

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Solution

The fourth proportional to 78,171,393.27, 117,180,838.72 and 37,219,829.20 is: 55,793,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,171,393.27 : 117,180,838.72 = 37,219,829.20 : x
  2. Step 2: Convert to fraction form
    78,171,393.27/117,180,838.72 = 37,219,829.20/x
  3. Step 3: Cross multiply
    78,171,393.27x = 117,180,838.72 × 37,219,829.20
  4. Step 4: Simplify right side
    78,171,393.27x = 4,361,450,802,671,147
  5. Step 5: Solve for x
    x = 4,361,450,802,671,147/78,171,393.27
  6. Step 6: Final answer
    x = 55,793,438.24

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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.