Home / 87,488,894.48-120,738,342.62-50,319,185.09

Finding the Fourth Proportional to 87,488,894.48, 120,738,342.62 and 50,319,185.09

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Solution

The fourth proportional to 87,488,894.48, 120,738,342.62 and 50,319,185.09 is: 69,442,585.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,488,894.48 : 120,738,342.62 = 50,319,185.09 : x
  2. Step 2: Convert to fraction form
    87,488,894.48/120,738,342.62 = 50,319,185.09/x
  3. Step 3: Cross multiply
    87,488,894.48x = 120,738,342.62 × 50,319,185.09
  4. Step 4: Simplify right side
    87,488,894.48x = 6,075,455,009,504,020
  5. Step 5: Solve for x
    x = 6,075,455,009,504,020/87,488,894.48
  6. Step 6: Final answer
    x = 69,442,585.21

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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.