Home / 319,783,094.53-479,720,333.69-98,473,128.73

Finding the Fourth Proportional to 319,783,094.53, 479,720,333.69 and 98,473,128.73

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Solution

The fourth proportional to 319,783,094.53, 479,720,333.69 and 98,473,128.73 is: 147,723,763.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,783,094.53 : 479,720,333.69 = 98,473,128.73 : x
  2. Step 2: Convert to fraction form
    319,783,094.53/479,720,333.69 = 98,473,128.73/x
  3. Step 3: Cross multiply
    319,783,094.53x = 479,720,333.69 × 98,473,128.73
  4. Step 4: Simplify right side
    319,783,094.53x = 47,239,562,172,531,536
  5. Step 5: Solve for x
    x = 47,239,562,172,531,536/319,783,094.53
  6. Step 6: Final answer
    x = 147,723,763.33

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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.