Home / 162,003,286.56-223,565,127.96-87,663,847.68

Finding the Fourth Proportional to 162,003,286.56, 223,565,127.96 and 87,663,847.68

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Solution

The fourth proportional to 162,003,286.56, 223,565,127.96 and 87,663,847.68 is: 120,976,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003,286.56 : 223,565,127.96 = 87,663,847.68 : x
  2. Step 2: Convert to fraction form
    162,003,286.56/223,565,127.96 = 87,663,847.68/x
  3. Step 3: Cross multiply
    162,003,286.56x = 223,565,127.96 × 87,663,847.68
  4. Step 4: Simplify right side
    162,003,286.56x = 19,598,579,324,045,152
  5. Step 5: Solve for x
    x = 19,598,579,324,045,152/162,003,286.56
  6. Step 6: Final answer
    x = 120,976,430.42

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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.