Home / 172,184,241.17-258,425,605.54-90,360,927.61

Finding the Fourth Proportional to 172,184,241.17, 258,425,605.54 and 90,360,927.61

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Solution

The fourth proportional to 172,184,241.17, 258,425,605.54 and 90,360,927.61 is: 135,619,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,184,241.17 : 258,425,605.54 = 90,360,927.61 : x
  2. Step 2: Convert to fraction form
    172,184,241.17/258,425,605.54 = 90,360,927.61/x
  3. Step 3: Cross multiply
    172,184,241.17x = 258,425,605.54 × 90,360,927.61
  4. Step 4: Simplify right side
    172,184,241.17x = 23,351,577,434,237,240
  5. Step 5: Solve for x
    x = 23,351,577,434,237,240/172,184,241.17
  6. Step 6: Final answer
    x = 135,619,713.37

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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.