Home / 216,220,664.22-324,372,724.26-70,615,081.23

Finding the Fourth Proportional to 216,220,664.22, 324,372,724.26 and 70,615,081.23

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Solution

The fourth proportional to 216,220,664.22, 324,372,724.26 and 70,615,081.23 is: 105,936,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,220,664.22 : 324,372,724.26 = 70,615,081.23 : x
  2. Step 2: Convert to fraction form
    216,220,664.22/324,372,724.26 = 70,615,081.23/x
  3. Step 3: Cross multiply
    216,220,664.22x = 324,372,724.26 × 70,615,081.23
  4. Step 4: Simplify right side
    216,220,664.22x = 22,905,606,272,416,292
  5. Step 5: Solve for x
    x = 22,905,606,272,416,292/216,220,664.22
  6. Step 6: Final answer
    x = 105,936,249.69

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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.