Home / 100,199,966.09-150,252,576.01-38,817,880.97

Finding the Fourth Proportional to 100,199,966.09, 150,252,576.01 and 38,817,880.97

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Solution

The fourth proportional to 100,199,966.09, 150,252,576.01 and 38,817,880.97 is: 58,208,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,199,966.09 : 150,252,576.01 = 38,817,880.97 : x
  2. Step 2: Convert to fraction form
    100,199,966.09/150,252,576.01 = 38,817,880.97/x
  3. Step 3: Cross multiply
    100,199,966.09x = 150,252,576.01 × 38,817,880.97
  4. Step 4: Simplify right side
    100,199,966.09x = 5,832,486,610,992,057
  5. Step 5: Solve for x
    x = 5,832,486,610,992,057/100,199,966.09
  6. Step 6: Final answer
    x = 58,208,468.91

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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.