Home / 55,263,513,008.25-82,900,016,413.32-19,405,187,913.69

Finding the Fourth Proportional to 55,263,513,008.25, 82,900,016,413.32 and 19,405,187,913.69

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Solution

The fourth proportional to 55,263,513,008.25, 82,900,016,413.32 and 19,405,187,913.69 is: 29,109,448,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,263,513,008.25 : 82,900,016,413.32 = 19,405,187,913.69 : x
  2. Step 2: Convert to fraction form
    55,263,513,008.25/82,900,016,413.32 = 19,405,187,913.69/x
  3. Step 3: Cross multiply
    55,263,513,008.25x = 82,900,016,413.32 × 19,405,187,913.69
  4. Step 4: Simplify right side
    55,263,513,008.25x = 1,608,690,396,548,459,921,408
  5. Step 5: Solve for x
    x = 1,608,690,396,548,459,921,408/55,263,513,008.25
  6. Step 6: Final answer
    x = 29,109,448,693.72

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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.