Home / 287,867,207.20-397,222,606.32-162,412,090.24

Finding the Fourth Proportional to 287,867,207.20, 397,222,606.32 and 162,412,090.24

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Solution

The fourth proportional to 287,867,207.20, 397,222,606.32 and 162,412,090.24 is: 224,109,423.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,867,207.20 : 397,222,606.32 = 162,412,090.24 : x
  2. Step 2: Convert to fraction form
    287,867,207.20/397,222,606.32 = 162,412,090.24/x
  3. Step 3: Cross multiply
    287,867,207.20x = 397,222,606.32 × 162,412,090.24
  4. Step 4: Simplify right side
    287,867,207.20x = 64,513,753,783,011,840
  5. Step 5: Solve for x
    x = 64,513,753,783,011,840/287,867,207.20
  6. Step 6: Final answer
    x = 224,109,423.27

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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.