Home / 160,121,292.62-220,965,750.15-89,556,734.37

Finding the Fourth Proportional to 160,121,292.62, 220,965,750.15 and 89,556,734.37

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Solution

The fourth proportional to 160,121,292.62, 220,965,750.15 and 89,556,734.37 is: 123,587,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,121,292.62 : 220,965,750.15 = 89,556,734.37 : x
  2. Step 2: Convert to fraction form
    160,121,292.62/220,965,750.15 = 89,556,734.37/x
  3. Step 3: Cross multiply
    160,121,292.62x = 220,965,750.15 × 89,556,734.37
  4. Step 4: Simplify right side
    160,121,292.62x = 19,788,970,991,051,340
  5. Step 5: Solve for x
    x = 19,788,970,991,051,340/160,121,292.62
  6. Step 6: Final answer
    x = 123,587,379.72

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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.