Home / 100,016,936.48-150,048,030-31,863,510.56

Finding the Fourth Proportional to 100,016,936.48, 150,048,030 and 31,863,510.56

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Solution

The fourth proportional to 100,016,936.48, 150,048,030 and 31,863,510.56 is: 47,802,473.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,016,936.48 : 150,048,030 = 31,863,510.56 : x
  2. Step 2: Convert to fraction form
    100,016,936.48/150,048,030 = 31,863,510.56/x
  3. Step 3: Cross multiply
    100,016,936.48x = 150,048,030 × 31,863,510.56
  4. Step 4: Simplify right side
    100,016,936.48x = 4,781,056,988,412,197
  5. Step 5: Solve for x
    x = 4,781,056,988,412,197/100,016,936.48
  6. Step 6: Final answer
    x = 47,802,473.83

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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.