Home / 77,841,144,865.26-116,749,919,777.22-21,185,422,821.77

Finding the Fourth Proportional to 77,841,144,865.26, 116,749,919,777.22 and 21,185,422,821.77

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Solution

The fourth proportional to 77,841,144,865.26, 116,749,919,777.22 and 21,185,422,821.77 is: 31,774,923,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,841,144,865.26 : 116,749,919,777.22 = 21,185,422,821.77 : x
  2. Step 2: Convert to fraction form
    77,841,144,865.26/116,749,919,777.22 = 21,185,422,821.77/x
  3. Step 3: Cross multiply
    77,841,144,865.26x = 116,749,919,777.22 × 21,185,422,821.77
  4. Step 4: Simplify right side
    77,841,144,865.26x = 2,473,396,414,887,549,206,528
  5. Step 5: Solve for x
    x = 2,473,396,414,887,549,206,528/77,841,144,865.26
  6. Step 6: Final answer
    x = 31,774,923,392.62

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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.