Home / 72,497,832.12-100,047,002.76-39,458,318.16

Finding the Fourth Proportional to 72,497,832.12, 100,047,002.76 and 39,458,318.16

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Solution

The fourth proportional to 72,497,832.12, 100,047,002.76 and 39,458,318.16 is: 54,452,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,497,832.12 : 100,047,002.76 = 39,458,318.16 : x
  2. Step 2: Convert to fraction form
    72,497,832.12/100,047,002.76 = 39,458,318.16/x
  3. Step 3: Cross multiply
    72,497,832.12x = 100,047,002.76 × 39,458,318.16
  4. Step 4: Simplify right side
    72,497,832.12x = 3,947,686,465,858,478
  5. Step 5: Solve for x
    x = 3,947,686,465,858,478/72,497,832.12
  6. Step 6: Final answer
    x = 54,452,476.03

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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.