Home / 105,015,680.82-144,923,961.51-57,972,645.81

Finding the Fourth Proportional to 105,015,680.82, 144,923,961.51 and 57,972,645.81

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Solution

The fourth proportional to 105,015,680.82, 144,923,961.51 and 57,972,645.81 is: 80,003,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,015,680.82 : 144,923,961.51 = 57,972,645.81 : x
  2. Step 2: Convert to fraction form
    105,015,680.82/144,923,961.51 = 57,972,645.81/x
  3. Step 3: Cross multiply
    105,015,680.82x = 144,923,961.51 × 57,972,645.81
  4. Step 4: Simplify right side
    105,015,680.82x = 8,401,625,490,001,303
  5. Step 5: Solve for x
    x = 8,401,625,490,001,303/105,015,680.82
  6. Step 6: Final answer
    x = 80,003,533.04

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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.