Home / 53,741,761.10-80,597,024.28-20,945,030.72

Finding the Fourth Proportional to 53,741,761.10, 80,597,024.28 and 20,945,030.72

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Solution

The fourth proportional to 53,741,761.10, 80,597,024.28 and 20,945,030.72 is: 31,411,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,741,761.10 : 80,597,024.28 = 20,945,030.72 : x
  2. Step 2: Convert to fraction form
    53,741,761.10/80,597,024.28 = 20,945,030.72/x
  3. Step 3: Cross multiply
    53,741,761.10x = 80,597,024.28 × 20,945,030.72
  4. Step 4: Simplify right side
    53,741,761.10x = 1,688,107,149,485,185.75
  5. Step 5: Solve for x
    x = 1,688,107,149,485,185.75/53,741,761.10
  6. Step 6: Final answer
    x = 31,411,459.45

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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.