Home / 412,593,611.04-618,966,958.32-136,263,972.96

Finding the Fourth Proportional to 412,593,611.04, 618,966,958.32 and 136,263,972.96

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Solution

The fourth proportional to 412,593,611.04, 618,966,958.32 and 136,263,972.96 is: 204,421,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,593,611.04 : 618,966,958.32 = 136,263,972.96 : x
  2. Step 2: Convert to fraction form
    412,593,611.04/618,966,958.32 = 136,263,972.96/x
  3. Step 3: Cross multiply
    412,593,611.04x = 618,966,958.32 × 136,263,972.96
  4. Step 4: Simplify right side
    412,593,611.04x = 84,342,896,871,649,936
  5. Step 5: Solve for x
    x = 84,342,896,871,649,936/412,593,611.04
  6. Step 6: Final answer
    x = 204,421,238.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.