Home / 53,420,410-73,720,170.66-30,215,037.52

Finding the Fourth Proportional to 53,420,410, 73,720,170.66 and 30,215,037.52

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Solution

The fourth proportional to 53,420,410, 73,720,170.66 and 30,215,037.52 is: 41,696,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,420,410 : 73,720,170.66 = 30,215,037.52 : x
  2. Step 2: Convert to fraction form
    53,420,410/73,720,170.66 = 30,215,037.52/x
  3. Step 3: Cross multiply
    53,420,410x = 73,720,170.66 × 30,215,037.52
  4. Step 4: Simplify right side
    53,420,410x = 2,227,457,722,472,703
  5. Step 5: Solve for x
    x = 2,227,457,722,472,703/53,420,410
  6. Step 6: Final answer
    x = 41,696,754.53

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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.