Home / 71,931,268.74-99,274,242.34-47,172,285.48

Finding the Fourth Proportional to 71,931,268.74, 99,274,242.34 and 47,172,285.48

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Solution

The fourth proportional to 71,931,268.74, 99,274,242.34 and 47,172,285.48 is: 65,103,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,931,268.74 : 99,274,242.34 = 47,172,285.48 : x
  2. Step 2: Convert to fraction form
    71,931,268.74/99,274,242.34 = 47,172,285.48/x
  3. Step 3: Cross multiply
    71,931,268.74x = 99,274,242.34 × 47,172,285.48
  4. Step 4: Simplify right side
    71,931,268.74x = 4,682,992,899,858,882
  5. Step 5: Solve for x
    x = 4,682,992,899,858,882/71,931,268.74
  6. Step 6: Final answer
    x = 65,103,716.12

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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.