Home / 143,231,027.11-214,693,577.74-81,687,668.16

Finding the Fourth Proportional to 143,231,027.11, 214,693,577.74 and 81,687,668.16

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Solution

The fourth proportional to 143,231,027.11, 214,693,577.74 and 81,687,668.16 is: 122,444,264.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,231,027.11 : 214,693,577.74 = 81,687,668.16 : x
  2. Step 2: Convert to fraction form
    143,231,027.11/214,693,577.74 = 81,687,668.16/x
  3. Step 3: Cross multiply
    143,231,027.11x = 214,693,577.74 × 81,687,668.16
  4. Step 4: Simplify right side
    143,231,027.11x = 17,537,817,734,508,282
  5. Step 5: Solve for x
    x = 17,537,817,734,508,282/143,231,027.11
  6. Step 6: Final answer
    x = 122,444,264.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.