Home / 65,253,974.72-90,052,795.52-35,887,580.32

Finding the Fourth Proportional to 65,253,974.72, 90,052,795.52 and 35,887,580.32

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Solution

The fourth proportional to 65,253,974.72, 90,052,795.52 and 35,887,580.32 is: 49,526,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,253,974.72 : 90,052,795.52 = 35,887,580.32 : x
  2. Step 2: Convert to fraction form
    65,253,974.72/90,052,795.52 = 35,887,580.32/x
  3. Step 3: Cross multiply
    65,253,974.72x = 90,052,795.52 × 35,887,580.32
  4. Step 4: Simplify right side
    65,253,974.72x = 3,231,776,932,264,536
  5. Step 5: Solve for x
    x = 3,231,776,932,264,536/65,253,974.72
  6. Step 6: Final answer
    x = 49,526,131.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.