Home / 72,582,942.30-108,874,413.45-54,667,038.30

Finding the Fourth Proportional to 72,582,942.30, 108,874,413.45 and 54,667,038.30

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Solution

The fourth proportional to 72,582,942.30, 108,874,413.45 and 54,667,038.30 is: 82,000,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,582,942.30 : 108,874,413.45 = 54,667,038.30 : x
  2. Step 2: Convert to fraction form
    72,582,942.30/108,874,413.45 = 54,667,038.30/x
  3. Step 3: Cross multiply
    72,582,942.30x = 108,874,413.45 × 54,667,038.30
  4. Step 4: Simplify right side
    72,582,942.30x = 5,951,841,729,961,185
  5. Step 5: Solve for x
    x = 5,951,841,729,961,185/72,582,942.30
  6. Step 6: Final answer
    x = 82,000,557.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.