Home / 77,102,362.89-115,653,938.06-25,984,824.57

Finding the Fourth Proportional to 77,102,362.89, 115,653,938.06 and 25,984,824.57

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Solution

The fourth proportional to 77,102,362.89, 115,653,938.06 and 25,984,824.57 is: 38,977,369.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,102,362.89 : 115,653,938.06 = 25,984,824.57 : x
  2. Step 2: Convert to fraction form
    77,102,362.89/115,653,938.06 = 25,984,824.57/x
  3. Step 3: Cross multiply
    77,102,362.89x = 115,653,938.06 × 25,984,824.57
  4. Step 4: Simplify right side
    77,102,362.89x = 3,005,247,291,383,708
  5. Step 5: Solve for x
    x = 3,005,247,291,383,708/77,102,362.89
  6. Step 6: Final answer
    x = 38,977,369.55

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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.