Home / 420,060,161.01-579,667,826.61-231,884,413.23

Finding the Fourth Proportional to 420,060,161.01, 579,667,826.61 and 231,884,413.23

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Solution

The fourth proportional to 420,060,161.01, 579,667,826.61 and 231,884,413.23 is: 319,992,101.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,060,161.01 : 579,667,826.61 = 231,884,413.23 : x
  2. Step 2: Convert to fraction form
    420,060,161.01/579,667,826.61 = 231,884,413.23/x
  3. Step 3: Cross multiply
    420,060,161.01x = 579,667,826.61 × 231,884,413.23
  4. Step 4: Simplify right side
    420,060,161.01x = 134,415,933,841,769,232
  5. Step 5: Solve for x
    x = 134,415,933,841,769,232/420,060,161.01
  6. Step 6: Final answer
    x = 319,992,101.89

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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.