Home / 69,871,767.39-96,419,104.17-38,509,721.32

Finding the Fourth Proportional to 69,871,767.39, 96,419,104.17 and 38,509,721.32

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Solution

The fourth proportional to 69,871,767.39, 96,419,104.17 and 38,509,721.32 is: 53,141,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871,767.39 : 96,419,104.17 = 38,509,721.32 : x
  2. Step 2: Convert to fraction form
    69,871,767.39/96,419,104.17 = 38,509,721.32/x
  3. Step 3: Cross multiply
    69,871,767.39x = 96,419,104.17 × 38,509,721.32
  4. Step 4: Simplify right side
    69,871,767.39x = 3,713,072,831,510,750
  5. Step 5: Solve for x
    x = 3,713,072,831,510,750/69,871,767.39
  6. Step 6: Final answer
    x = 53,141,246.75

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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.