Home / 218,201,760,255.56-301,074,757,176.44-121,843,020,507.12

Finding the Fourth Proportional to 218,201,760,255.56, 301,074,757,176.44 and 121,843,020,507.12

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Solution

The fourth proportional to 218,201,760,255.56, 301,074,757,176.44 and 121,843,020,507.12 is: 168,118,982,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,201,760,255.56 : 301,074,757,176.44 = 121,843,020,507.12 : x
  2. Step 2: Convert to fraction form
    218,201,760,255.56/301,074,757,176.44 = 121,843,020,507.12/x
  3. Step 3: Cross multiply
    218,201,760,255.56x = 301,074,757,176.44 × 121,843,020,507.12
  4. Step 4: Simplify right side
    218,201,760,255.56x = 36,683,857,812,825,151,897,600
  5. Step 5: Solve for x
    x = 36,683,857,812,825,151,897,600/218,201,760,255.56
  6. Step 6: Final answer
    x = 168,118,982,036.90

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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.