Home / 189,633,464.57-261,692,203.32-111,301,884.36

Finding the Fourth Proportional to 189,633,464.57, 261,692,203.32 and 111,301,884.36

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Solution

The fourth proportional to 189,633,464.57, 261,692,203.32 and 111,301,884.36 is: 153,595,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,633,464.57 : 261,692,203.32 = 111,301,884.36 : x
  2. Step 2: Convert to fraction form
    189,633,464.57/261,692,203.32 = 111,301,884.36/x
  3. Step 3: Cross multiply
    189,633,464.57x = 261,692,203.32 × 111,301,884.36
  4. Step 4: Simplify right side
    189,633,464.57x = 29,126,835,351,836,248
  5. Step 5: Solve for x
    x = 29,126,835,351,836,248/189,633,464.57
  6. Step 6: Final answer
    x = 153,595,439.60

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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.