Home / 160,121,291.12-220,965,748.08-89,556,732.87

Finding the Fourth Proportional to 160,121,291.12, 220,965,748.08 and 89,556,732.87

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Solution

The fourth proportional to 160,121,291.12, 220,965,748.08 and 89,556,732.87 is: 123,587,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,121,291.12 : 220,965,748.08 = 89,556,732.87 : x
  2. Step 2: Convert to fraction form
    160,121,291.12/220,965,748.08 = 89,556,732.87/x
  3. Step 3: Cross multiply
    160,121,291.12x = 220,965,748.08 × 89,556,732.87
  4. Step 4: Simplify right side
    160,121,291.12x = 19,788,970,474,220,276
  5. Step 5: Solve for x
    x = 19,788,970,474,220,276/160,121,291.12
  6. Step 6: Final answer
    x = 123,587,377.65

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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.