Home / 202,718,783.48-279,772,772.01-123,339,480.32

Finding the Fourth Proportional to 202,718,783.48, 279,772,772.01 and 123,339,480.32

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Solution

The fourth proportional to 202,718,783.48, 279,772,772.01 and 123,339,480.32 is: 170,221,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,718,783.48 : 279,772,772.01 = 123,339,480.32 : x
  2. Step 2: Convert to fraction form
    202,718,783.48/279,772,772.01 = 123,339,480.32/x
  3. Step 3: Cross multiply
    202,718,783.48x = 279,772,772.01 × 123,339,480.32
  4. Step 4: Simplify right side
    202,718,783.48x = 34,507,028,308,098,676
  5. Step 5: Solve for x
    x = 34,507,028,308,098,676/202,718,783.48
  6. Step 6: Final answer
    x = 170,221,169.03

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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.