Home / 218,625,651.81-327,938,477.75-73,059,213.20

Finding the Fourth Proportional to 218,625,651.81, 327,938,477.75 and 73,059,213.20

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Solution

The fourth proportional to 218,625,651.81, 327,938,477.75 and 73,059,213.20 is: 109,588,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,625,651.81 : 327,938,477.75 = 73,059,213.20 : x
  2. Step 2: Convert to fraction form
    218,625,651.81/327,938,477.75 = 73,059,213.20/x
  3. Step 3: Cross multiply
    218,625,651.81x = 327,938,477.75 × 73,059,213.20
  4. Step 4: Simplify right side
    218,625,651.81x = 23,958,927,162,875,256
  5. Step 5: Solve for x
    x = 23,958,927,162,875,256/218,625,651.81
  6. Step 6: Final answer
    x = 109,588,819.81

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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.