Home / 311,718,886.98-430,171,783.28-175,957,705.33

Finding the Fourth Proportional to 311,718,886.98, 430,171,783.28 and 175,957,705.33

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Solution

The fourth proportional to 311,718,886.98, 430,171,783.28 and 175,957,705.33 is: 242,821,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,718,886.98 : 430,171,783.28 = 175,957,705.33 : x
  2. Step 2: Convert to fraction form
    311,718,886.98/430,171,783.28 = 175,957,705.33/x
  3. Step 3: Cross multiply
    311,718,886.98x = 430,171,783.28 × 175,957,705.33
  4. Step 4: Simplify right side
    311,718,886.98x = 75,692,039,883,662,864
  5. Step 5: Solve for x
    x = 75,692,039,883,662,864/311,718,886.98
  6. Step 6: Final answer
    x = 242,821,474.88

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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.