Home / 146,653,670.70-220,148,467.65-86,103,513.90

Finding the Fourth Proportional to 146,653,670.70, 220,148,467.65 and 86,103,513.90

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Solution

The fourth proportional to 146,653,670.70, 220,148,467.65 and 86,103,513.90 is: 129,253,884.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,653,670.70 : 220,148,467.65 = 86,103,513.90 : x
  2. Step 2: Convert to fraction form
    146,653,670.70/220,148,467.65 = 86,103,513.90/x
  3. Step 3: Cross multiply
    146,653,670.70x = 220,148,467.65 × 86,103,513.90
  4. Step 4: Simplify right side
    146,653,670.70x = 18,955,556,644,365,476
  5. Step 5: Solve for x
    x = 18,955,556,644,365,476/146,653,670.70
  6. Step 6: Final answer
    x = 129,253,884.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.