Home / 69,871,761.73-96,419,096.44-38,509,715.68

Finding the Fourth Proportional to 69,871,761.73, 96,419,096.44 and 38,509,715.68

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Solution

The fourth proportional to 69,871,761.73, 96,419,096.44 and 38,509,715.68 is: 53,141,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871,761.73 : 96,419,096.44 = 38,509,715.68 : x
  2. Step 2: Convert to fraction form
    69,871,761.73/96,419,096.44 = 38,509,715.68/x
  3. Step 3: Cross multiply
    69,871,761.73x = 96,419,096.44 × 38,509,715.68
  4. Step 4: Simplify right side
    69,871,761.73x = 3,713,071,990,026,900
  5. Step 5: Solve for x
    x = 3,713,071,990,026,900/69,871,761.73
  6. Step 6: Final answer
    x = 53,141,239.01

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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.