Home / 139,040,777,313.20-208,561,165,969.80-34,351,151,841.20

Finding the Fourth Proportional to 139,040,777,313.20, 208,561,165,969.80 and 34,351,151,841.20

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Solution

The fourth proportional to 139,040,777,313.20, 208,561,165,969.80 and 34,351,151,841.20 is: 51,526,727,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,040,777,313.20 : 208,561,165,969.80 = 34,351,151,841.20 : x
  2. Step 2: Convert to fraction form
    139,040,777,313.20/208,561,165,969.80 = 34,351,151,841.20/x
  3. Step 3: Cross multiply
    139,040,777,313.20x = 208,561,165,969.80 × 34,351,151,841.20
  4. Step 4: Simplify right side
    139,040,777,313.20x = 7,164,316,280,406,313,795,584
  5. Step 5: Solve for x
    x = 7,164,316,280,406,313,795,584/139,040,777,313.20
  6. Step 6: Final answer
    x = 51,526,727,761.80

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1.5x scale

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.