Home / 448,705,939.50-673,146,170.55-172,336,936.50

Finding the Fourth Proportional to 448,705,939.50, 673,146,170.55 and 172,336,936.50

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Solution

The fourth proportional to 448,705,939.50, 673,146,170.55 and 172,336,936.50 is: 258,538,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,705,939.50 : 673,146,170.55 = 172,336,936.50 : x
  2. Step 2: Convert to fraction form
    448,705,939.50/673,146,170.55 = 172,336,936.50/x
  3. Step 3: Cross multiply
    448,705,939.50x = 673,146,170.55 × 172,336,936.50
  4. Step 4: Simplify right side
    448,705,939.50x = 116,007,948,849,293,504
  5. Step 5: Solve for x
    x = 116,007,948,849,293,504/448,705,939.50
  6. Step 6: Final answer
    x = 258,538,919.67

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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.