Home / 78,171,322.04-117,180,731.90-37,219,757.97

Finding the Fourth Proportional to 78,171,322.04, 117,180,731.90 and 37,219,757.97

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Solution

The fourth proportional to 78,171,322.04, 117,180,731.90 and 37,219,757.97 is: 55,793,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,171,322.04 : 117,180,731.90 = 37,219,757.97 : x
  2. Step 2: Convert to fraction form
    78,171,322.04/117,180,731.90 = 37,219,757.97/x
  3. Step 3: Cross multiply
    78,171,322.04x = 117,180,731.90 × 37,219,757.97
  4. Step 4: Simplify right side
    78,171,322.04x = 4,361,438,480,065,458.50
  5. Step 5: Solve for x
    x = 4,361,438,480,065,458.50/78,171,322.04
  6. Step 6: Final answer
    x = 55,793,331.45

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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.