Home / 202,439,911.96-279,368,405.22-109,620,424.36

Finding the Fourth Proportional to 202,439,911.96, 279,368,405.22 and 109,620,424.36

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Solution

The fourth proportional to 202,439,911.96, 279,368,405.22 and 109,620,424.36 is: 151,276,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,439,911.96 : 279,368,405.22 = 109,620,424.36 : x
  2. Step 2: Convert to fraction form
    202,439,911.96/279,368,405.22 = 109,620,424.36/x
  3. Step 3: Cross multiply
    202,439,911.96x = 279,368,405.22 × 109,620,424.36
  4. Step 4: Simplify right side
    202,439,911.96x = 30,624,483,132,992,844
  5. Step 5: Solve for x
    x = 30,624,483,132,992,844/202,439,911.96
  6. Step 6: Final answer
    x = 151,276,904.03

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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.