Home / 213,608,213.92-294,785,131.53-120,802,600

Finding the Fourth Proportional to 213,608,213.92, 294,785,131.53 and 120,802,600

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Solution

The fourth proportional to 213,608,213.92, 294,785,131.53 and 120,802,600 is: 166,710,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,608,213.92 : 294,785,131.53 = 120,802,600 : x
  2. Step 2: Convert to fraction form
    213,608,213.92/294,785,131.53 = 120,802,600/x
  3. Step 3: Cross multiply
    213,608,213.92x = 294,785,131.53 × 120,802,600
  4. Step 4: Simplify right side
    213,608,213.92x = 35,610,810,330,165,976
  5. Step 5: Solve for x
    x = 35,610,810,330,165,976/213,608,213.92
  6. Step 6: Final answer
    x = 166,710,866.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.