Home / 72,497,832.62-100,047,003.45-39,458,318.66

Finding the Fourth Proportional to 72,497,832.62, 100,047,003.45 and 39,458,318.66

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Solution

The fourth proportional to 72,497,832.62, 100,047,003.45 and 39,458,318.66 is: 54,452,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,497,832.62 : 100,047,003.45 = 39,458,318.66 : x
  2. Step 2: Convert to fraction form
    72,497,832.62/100,047,003.45 = 39,458,318.66/x
  3. Step 3: Cross multiply
    72,497,832.62x = 100,047,003.45 × 39,458,318.66
  4. Step 4: Simplify right side
    72,497,832.62x = 3,947,686,543,108,219
  5. Step 5: Solve for x
    x = 3,947,686,543,108,219/72,497,832.62
  6. Step 6: Final answer
    x = 54,452,476.72

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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.