Home / 116,192,492-160,345,638.60-63,981,403.28

Finding the Fourth Proportional to 116,192,492, 160,345,638.60 and 63,981,403.28

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Solution

The fourth proportional to 116,192,492, 160,345,638.60 and 63,981,403.28 is: 88,294,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,192,492 : 160,345,638.60 = 63,981,403.28 : x
  2. Step 2: Convert to fraction form
    116,192,492/160,345,638.60 = 63,981,403.28/x
  3. Step 3: Cross multiply
    116,192,492x = 160,345,638.60 × 63,981,403.28
  4. Step 4: Simplify right side
    116,192,492x = 10,259,138,967,455,734
  5. Step 5: Solve for x
    x = 10,259,138,967,455,734/116,192,492
  6. Step 6: Final answer
    x = 88,294,336.33

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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.