Home / 134,857,676.10-186,103,593.23-72,978,014.64

Finding the Fourth Proportional to 134,857,676.10, 186,103,593.23 and 72,978,014.64

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Solution

The fourth proportional to 134,857,676.10, 186,103,593.23 and 72,978,014.64 is: 100,709,660.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857,676.10 : 186,103,593.23 = 72,978,014.64 : x
  2. Step 2: Convert to fraction form
    134,857,676.10/186,103,593.23 = 72,978,014.64/x
  3. Step 3: Cross multiply
    134,857,676.10x = 186,103,593.23 × 72,978,014.64
  4. Step 4: Simplify right side
    134,857,676.10x = 13,581,470,751,295,544
  5. Step 5: Solve for x
    x = 13,581,470,751,295,544/134,857,676.10
  6. Step 6: Final answer
    x = 100,709,660.32

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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.