Home / 281,052,004.48-387,892,498.56-161,951,424.64

Finding the Fourth Proportional to 281,052,004.48, 387,892,498.56 and 161,951,424.64

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Solution

The fourth proportional to 281,052,004.48, 387,892,498.56 and 161,951,424.64 is: 223,516,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,052,004.48 : 387,892,498.56 = 161,951,424.64 : x
  2. Step 2: Convert to fraction form
    281,052,004.48/387,892,498.56 = 161,951,424.64/x
  3. Step 3: Cross multiply
    281,052,004.48x = 387,892,498.56 × 161,951,424.64
  4. Step 4: Simplify right side
    281,052,004.48x = 62,819,742,748,961,144
  5. Step 5: Solve for x
    x = 62,819,742,748,961,144/281,052,004.48
  6. Step 6: Final answer
    x = 223,516,437.34

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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.