Home / 143,143,401.30-214,463,159.55-122,988,009.30

Finding the Fourth Proportional to 143,143,401.30, 214,463,159.55 and 122,988,009.30

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Solution

The fourth proportional to 143,143,401.30, 214,463,159.55 and 122,988,009.30 is: 184,265,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,143,401.30 : 214,463,159.55 = 122,988,009.30 : x
  2. Step 2: Convert to fraction form
    143,143,401.30/214,463,159.55 = 122,988,009.30/x
  3. Step 3: Cross multiply
    143,143,401.30x = 214,463,159.55 × 122,988,009.30
  4. Step 4: Simplify right side
    143,143,401.30x = 26,376,397,061,242,784
  5. Step 5: Solve for x
    x = 26,376,397,061,242,784/143,143,401.30
  6. Step 6: Final answer
    x = 184,265,546.45

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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.