Home / 77,841,144,829.01-116,749,919,722.84-21,185,422,785.55

Finding the Fourth Proportional to 77,841,144,829.01, 116,749,919,722.84 and 21,185,422,785.55

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Solution

The fourth proportional to 77,841,144,829.01, 116,749,919,722.84 and 21,185,422,785.55 is: 31,774,923,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,841,144,829.01 : 116,749,919,722.84 = 21,185,422,785.55 : x
  2. Step 2: Convert to fraction form
    77,841,144,829.01/116,749,919,722.84 = 21,185,422,785.55/x
  3. Step 3: Cross multiply
    77,841,144,829.01x = 116,749,919,722.84 × 21,185,422,785.55
  4. Step 4: Simplify right side
    77,841,144,829.01x = 2,473,396,409,507,387,539,456
  5. Step 5: Solve for x
    x = 2,473,396,409,507,387,539,456/77,841,144,829.01
  6. Step 6: Final answer
    x = 31,774,923,338.30

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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.