Home / 206,047,090.80-284,282,979.48-123,510,760.56

Finding the Fourth Proportional to 206,047,090.80, 284,282,979.48 and 123,510,760.56

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Solution

The fourth proportional to 206,047,090.80, 284,282,979.48 and 123,510,760.56 is: 170,407,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,047,090.80 : 284,282,979.48 = 123,510,760.56 : x
  2. Step 2: Convert to fraction form
    206,047,090.80/284,282,979.48 = 123,510,760.56/x
  3. Step 3: Cross multiply
    206,047,090.80x = 284,282,979.48 × 123,510,760.56
  4. Step 4: Simplify right side
    206,047,090.80x = 35,112,007,009,837,676
  5. Step 5: Solve for x
    x = 35,112,007,009,837,676/206,047,090.80
  6. Step 6: Final answer
    x = 170,407,681.44

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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.