Home / 79,517,853,009.51-119,275,993,481.97-36,430,756,571.32

Finding the Fourth Proportional to 79,517,853,009.51, 119,275,993,481.97 and 36,430,756,571.32

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Solution

The fourth proportional to 79,517,853,009.51, 119,275,993,481.97 and 36,430,756,571.32 is: 54,645,774,739.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,517,853,009.51 : 119,275,993,481.97 = 36,430,756,571.32 : x
  2. Step 2: Convert to fraction form
    79,517,853,009.51/119,275,993,481.97 = 36,430,756,571.32/x
  3. Step 3: Cross multiply
    79,517,853,009.51x = 119,275,993,481.97 × 36,430,756,571.32
  4. Step 4: Simplify right side
    79,517,853,009.51x = 4,345,314,683,344,000,122,880
  5. Step 5: Solve for x
    x = 4,345,314,683,344,000,122,880/79,517,853,009.51
  6. Step 6: Final answer
    x = 54,645,774,739.72

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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.