Home / 76,773,893.58-115,160,840.37-25,655,912.39

Finding the Fourth Proportional to 76,773,893.58, 115,160,840.37 and 25,655,912.39

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Solution

The fourth proportional to 76,773,893.58, 115,160,840.37 and 25,655,912.39 is: 38,483,868.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,773,893.58 : 115,160,840.37 = 25,655,912.39 : x
  2. Step 2: Convert to fraction form
    76,773,893.58/115,160,840.37 = 25,655,912.39/x
  3. Step 3: Cross multiply
    76,773,893.58x = 115,160,840.37 × 25,655,912.39
  4. Step 4: Simplify right side
    76,773,893.58x = 2,954,556,430,715,691.50
  5. Step 5: Solve for x
    x = 2,954,556,430,715,691.50/76,773,893.58
  6. Step 6: Final answer
    x = 38,483,868.58

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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.