Home / 189,633,463.57-261,692,201.94-111,301,883.36

Finding the Fourth Proportional to 189,633,463.57, 261,692,201.94 and 111,301,883.36

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Solution

The fourth proportional to 189,633,463.57, 261,692,201.94 and 111,301,883.36 is: 153,595,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,633,463.57 : 261,692,201.94 = 111,301,883.36 : x
  2. Step 2: Convert to fraction form
    189,633,463.57/261,692,201.94 = 111,301,883.36/x
  3. Step 3: Cross multiply
    189,633,463.57x = 261,692,201.94 × 111,301,883.36
  4. Step 4: Simplify right side
    189,633,463.57x = 29,126,834,935,238,984
  5. Step 5: Solve for x
    x = 29,126,834,935,238,984/189,633,463.57
  6. Step 6: Final answer
    x = 153,595,438.21

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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.