Home / 137,806,431.71-206,514,654.64-76,422,590.51

Finding the Fourth Proportional to 137,806,431.71, 206,514,654.64 and 76,422,590.51

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Solution

The fourth proportional to 137,806,431.71, 206,514,654.64 and 76,422,590.51 is: 114,525,749.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,806,431.71 : 206,514,654.64 = 76,422,590.51 : x
  2. Step 2: Convert to fraction form
    137,806,431.71/206,514,654.64 = 76,422,590.51/x
  3. Step 3: Cross multiply
    137,806,431.71x = 206,514,654.64 × 76,422,590.51
  4. Step 4: Simplify right side
    137,806,431.71x = 15,782,384,884,643,160
  5. Step 5: Solve for x
    x = 15,782,384,884,643,160/137,806,431.71
  6. Step 6: Final answer
    x = 114,525,749.56

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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.