Home / 64,368,236.75-96,543,264.49-20,643,313.47

Finding the Fourth Proportional to 64,368,236.75, 96,543,264.49 and 20,643,313.47

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Solution

The fourth proportional to 64,368,236.75, 96,543,264.49 and 20,643,313.47 is: 30,962,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,368,236.75 : 96,543,264.49 = 20,643,313.47 : x
  2. Step 2: Convert to fraction form
    64,368,236.75/96,543,264.49 = 20,643,313.47/x
  3. Step 3: Cross multiply
    64,368,236.75x = 96,543,264.49 × 20,643,313.47
  4. Step 4: Simplify right side
    64,368,236.75x = 1,992,972,871,870,544
  5. Step 5: Solve for x
    x = 1,992,972,871,870,544/64,368,236.75
  6. Step 6: Final answer
    x = 30,962,054.78

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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.