Home / 180,145,504.92-248,623,820.22-100,764,977.88

Finding the Fourth Proportional to 180,145,504.92, 248,623,820.22 and 100,764,977.88

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Solution

The fourth proportional to 180,145,504.92, 248,623,820.22 and 100,764,977.88 is: 139,068,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,145,504.92 : 248,623,820.22 = 100,764,977.88 : x
  2. Step 2: Convert to fraction form
    180,145,504.92/248,623,820.22 = 100,764,977.88/x
  3. Step 3: Cross multiply
    180,145,504.92x = 248,623,820.22 × 100,764,977.88
  4. Step 4: Simplify right side
    180,145,504.92x = 25,052,573,744,909,396
  5. Step 5: Solve for x
    x = 25,052,573,744,909,396/180,145,504.92
  6. Step 6: Final answer
    x = 139,068,547.71

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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.