Home / 77,314,849.80-115,972,274.70-34,161,840.60

Finding the Fourth Proportional to 77,314,849.80, 115,972,274.70 and 34,161,840.60

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Solution

The fourth proportional to 77,314,849.80, 115,972,274.70 and 34,161,840.60 is: 51,242,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,314,849.80 : 115,972,274.70 = 34,161,840.60 : x
  2. Step 2: Convert to fraction form
    77,314,849.80/115,972,274.70 = 34,161,840.60/x
  3. Step 3: Cross multiply
    77,314,849.80x = 115,972,274.70 × 34,161,840.60
  4. Step 4: Simplify right side
    77,314,849.80x = 3,961,826,362,320,813
  5. Step 5: Solve for x
    x = 3,961,826,362,320,813/77,314,849.80
  6. Step 6: Final answer
    x = 51,242,760.90

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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.