Home / 315,534,745.60-472,373,145.60-235,112,243.20

Finding the Fourth Proportional to 315,534,745.60, 472,373,145.60 and 235,112,243.20

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Solution

The fourth proportional to 315,534,745.60, 472,373,145.60 and 235,112,243.20 is: 351,976,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,534,745.60 : 472,373,145.60 = 235,112,243.20 : x
  2. Step 2: Convert to fraction form
    315,534,745.60/472,373,145.60 = 235,112,243.20/x
  3. Step 3: Cross multiply
    315,534,745.60x = 472,373,145.60 × 235,112,243.20
  4. Step 4: Simplify right side
    315,534,745.60x = 111,060,709,889,456,208
  5. Step 5: Solve for x
    x = 111,060,709,889,456,208/315,534,745.60
  6. Step 6: Final answer
    x = 351,976,165.66

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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.