Home / 81,066,783.24-111,871,653.12-43,896,277.44

Finding the Fourth Proportional to 81,066,783.24, 111,871,653.12 and 43,896,277.44

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Solution

The fourth proportional to 81,066,783.24, 111,871,653.12 and 43,896,277.44 is: 60,576,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,066,783.24 : 111,871,653.12 = 43,896,277.44 : x
  2. Step 2: Convert to fraction form
    81,066,783.24/111,871,653.12 = 43,896,277.44/x
  3. Step 3: Cross multiply
    81,066,783.24x = 111,871,653.12 × 43,896,277.44
  4. Step 4: Simplify right side
    81,066,783.24x = 4,910,749,123,026,962
  5. Step 5: Solve for x
    x = 4,910,749,123,026,962/81,066,783.24
  6. Step 6: Final answer
    x = 60,576,587.93

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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.