Home / 139,998,406,364.20-210,006,972,057.66-49,228,978,570.28

Finding the Fourth Proportional to 139,998,406,364.20, 210,006,972,057.66 and 49,228,978,570.28

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Solution

The fourth proportional to 139,998,406,364.20, 210,006,972,057.66 and 49,228,978,570.28 is: 73,846,760,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,998,406,364.20 : 210,006,972,057.66 = 49,228,978,570.28 : x
  2. Step 2: Convert to fraction form
    139,998,406,364.20/210,006,972,057.66 = 49,228,978,570.28/x
  3. Step 3: Cross multiply
    139,998,406,364.20x = 210,006,972,057.66 × 49,228,978,570.28
  4. Step 4: Simplify right side
    139,998,406,364.20x = 10,338,428,727,035,934,277,632
  5. Step 5: Solve for x
    x = 10,338,428,727,035,934,277,632/139,998,406,364.20
  6. Step 6: Final answer
    x = 73,846,760,084.83

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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.