Home / 45,690,288.40-68,535,665.88-15,398,413.84

Finding the Fourth Proportional to 45,690,288.40, 68,535,665.88 and 15,398,413.84

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Solution

The fourth proportional to 45,690,288.40, 68,535,665.88 and 15,398,413.84 is: 23,097,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,690,288.40 : 68,535,665.88 = 15,398,413.84 : x
  2. Step 2: Convert to fraction form
    45,690,288.40/68,535,665.88 = 15,398,413.84/x
  3. Step 3: Cross multiply
    45,690,288.40x = 68,535,665.88 × 15,398,413.84
  4. Step 4: Simplify right side
    45,690,288.40x = 1,055,340,546,134,749.38
  5. Step 5: Solve for x
    x = 1,055,340,546,134,749.38/45,690,288.40
  6. Step 6: Final answer
    x = 23,097,699.38

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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.