Home / 71,868,507,713.93-98,659,189,722.53-61,689,564,062.73

Finding the Fourth Proportional to 71,868,507,713.93, 98,659,189,722.53 and 61,689,564,062.73

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Solution

The fourth proportional to 71,868,507,713.93, 98,659,189,722.53 and 61,689,564,062.73 is: 84,685,804,650.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,868,507,713.93 : 98,659,189,722.53 = 61,689,564,062.73 : x
  2. Step 2: Convert to fraction form
    71,868,507,713.93/98,659,189,722.53 = 61,689,564,062.73/x
  3. Step 3: Cross multiply
    71,868,507,713.93x = 98,659,189,722.53 × 61,689,564,062.73
  4. Step 4: Simplify right side
    71,868,507,713.93x = 6,086,242,404,765,233,315,840
  5. Step 5: Solve for x
    x = 6,086,242,404,765,233,315,840/71,868,507,713.93
  6. Step 6: Final answer
    x = 84,685,804,650.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.