Home / 206,478,074.23-284,945,616.04-112,398,288.30

Finding the Fourth Proportional to 206,478,074.23, 284,945,616.04 and 112,398,288.30

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Solution

The fourth proportional to 206,478,074.23, 284,945,616.04 and 112,398,288.30 is: 155,112,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,478,074.23 : 284,945,616.04 = 112,398,288.30 : x
  2. Step 2: Convert to fraction form
    206,478,074.23/284,945,616.04 = 112,398,288.30/x
  3. Step 3: Cross multiply
    206,478,074.23x = 284,945,616.04 × 112,398,288.30
  4. Step 4: Simplify right side
    206,478,074.23x = 32,027,399,501,485,024
  5. Step 5: Solve for x
    x = 32,027,399,501,485,024/206,478,074.23
  6. Step 6: Final answer
    x = 155,112,835.21

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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.