Home / 72,215,434.46-99,657,299.57-41,276,268.05

Finding the Fourth Proportional to 72,215,434.46, 99,657,299.57 and 41,276,268.05

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Solution

The fourth proportional to 72,215,434.46, 99,657,299.57 and 41,276,268.05 is: 56,961,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,434.46 : 99,657,299.57 = 41,276,268.05 : x
  2. Step 2: Convert to fraction form
    72,215,434.46/99,657,299.57 = 41,276,268.05/x
  3. Step 3: Cross multiply
    72,215,434.46x = 99,657,299.57 × 41,276,268.05
  4. Step 4: Simplify right side
    72,215,434.46x = 4,113,481,409,485,802
  5. Step 5: Solve for x
    x = 4,113,481,409,485,802/72,215,434.46
  6. Step 6: Final answer
    x = 56,961,249.91

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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.