Home / 200,039,875.09-300,065,077.91-54,476,413.72

Finding the Fourth Proportional to 200,039,875.09, 300,065,077.91 and 54,476,413.72

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Solution

The fourth proportional to 200,039,875.09, 300,065,077.91 and 54,476,413.72 is: 81,716,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,039,875.09 : 300,065,077.91 = 54,476,413.72 : x
  2. Step 2: Convert to fraction form
    200,039,875.09/300,065,077.91 = 54,476,413.72/x
  3. Step 3: Cross multiply
    200,039,875.09x = 300,065,077.91 × 54,476,413.72
  4. Step 4: Simplify right side
    200,039,875.09x = 16,346,469,326,381,598
  5. Step 5: Solve for x
    x = 16,346,469,326,381,598/200,039,875.09
  6. Step 6: Final answer
    x = 81,716,054.46

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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.