Home / 78,585,778.44-117,896,338.89-23,993,796.96

Finding the Fourth Proportional to 78,585,778.44, 117,896,338.89 and 23,993,796.96

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Solution

The fourth proportional to 78,585,778.44, 117,896,338.89 and 23,993,796.96 is: 35,996,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,585,778.44 : 117,896,338.89 = 23,993,796.96 : x
  2. Step 2: Convert to fraction form
    78,585,778.44/117,896,338.89 = 23,993,796.96/x
  3. Step 3: Cross multiply
    78,585,778.44x = 117,896,338.89 × 23,993,796.96
  4. Step 4: Simplify right side
    78,585,778.44x = 2,828,780,817,654,012
  5. Step 5: Solve for x
    x = 2,828,780,817,654,012/78,585,778.44
  6. Step 6: Final answer
    x = 35,996,090.82

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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.