Home / 103,141,185.39-154,694,960.26-30,340,940.38

Finding the Fourth Proportional to 103,141,185.39, 154,694,960.26 and 30,340,940.38

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Solution

The fourth proportional to 103,141,185.39, 154,694,960.26 and 30,340,940.38 is: 45,506,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,141,185.39 : 154,694,960.26 = 30,340,940.38 : x
  2. Step 2: Convert to fraction form
    103,141,185.39/154,694,960.26 = 30,340,940.38/x
  3. Step 3: Cross multiply
    103,141,185.39x = 154,694,960.26 × 30,340,940.38
  4. Step 4: Simplify right side
    103,141,185.39x = 4,693,590,565,872,540
  5. Step 5: Solve for x
    x = 4,693,590,565,872,540/103,141,185.39
  6. Step 6: Final answer
    x = 45,506,463.28

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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.