Home / 87,145,394.06-120,260,643.81-47,987,077.51

Finding the Fourth Proportional to 87,145,394.06, 120,260,643.81 and 47,987,077.51

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Solution

The fourth proportional to 87,145,394.06, 120,260,643.81 and 47,987,077.51 is: 66,222,166.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,145,394.06 : 120,260,643.81 = 47,987,077.51 : x
  2. Step 2: Convert to fraction form
    87,145,394.06/120,260,643.81 = 47,987,077.51/x
  3. Step 3: Cross multiply
    87,145,394.06x = 120,260,643.81 × 47,987,077.51
  4. Step 4: Simplify right side
    87,145,394.06x = 5,770,956,835,207,000
  5. Step 5: Solve for x
    x = 5,770,956,835,207,000/87,145,394.06
  6. Step 6: Final answer
    x = 66,222,166.96

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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.