Home / 354,405,309.38-531,605,733.32-190,720,169.18

Finding the Fourth Proportional to 354,405,309.38, 531,605,733.32 and 190,720,169.18

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Solution

The fourth proportional to 354,405,309.38, 531,605,733.32 and 190,720,169.18 is: 286,079,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,405,309.38 : 531,605,733.32 = 190,720,169.18 : x
  2. Step 2: Convert to fraction form
    354,405,309.38/531,605,733.32 = 190,720,169.18/x
  3. Step 3: Cross multiply
    354,405,309.38x = 531,605,733.32 × 190,720,169.18
  4. Step 4: Simplify right side
    354,405,309.38x = 101,387,935,395,848,368
  5. Step 5: Solve for x
    x = 101,387,935,395,848,368/354,405,309.38
  6. Step 6: Final answer
    x = 286,079,053.31

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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.