Home / 112,914,189.12-155,764,128.96-73,778,844.48

Finding the Fourth Proportional to 112,914,189.12, 155,764,128.96 and 73,778,844.48

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Solution

The fourth proportional to 112,914,189.12, 155,764,128.96 and 73,778,844.48 is: 101,777,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,914,189.12 : 155,764,128.96 = 73,778,844.48 : x
  2. Step 2: Convert to fraction form
    112,914,189.12/155,764,128.96 = 73,778,844.48/x
  3. Step 3: Cross multiply
    112,914,189.12x = 155,764,128.96 × 73,778,844.48
  4. Step 4: Simplify right side
    112,914,189.12x = 11,492,097,446,102,506
  5. Step 5: Solve for x
    x = 11,492,097,446,102,506/112,914,189.12
  6. Step 6: Final answer
    x = 101,777,265.87

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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.