Home / 317,051,999.70-475,577,999.55-144,865,115.70

Finding the Fourth Proportional to 317,051,999.70, 475,577,999.55 and 144,865,115.70

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Solution

The fourth proportional to 317,051,999.70, 475,577,999.55 and 144,865,115.70 is: 217,297,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,051,999.70 : 475,577,999.55 = 144,865,115.70 : x
  2. Step 2: Convert to fraction form
    317,051,999.70/475,577,999.55 = 144,865,115.70/x
  3. Step 3: Cross multiply
    317,051,999.70x = 475,577,999.55 × 144,865,115.70
  4. Step 4: Simplify right side
    317,051,999.70x = 68,894,661,929,185,296
  5. Step 5: Solve for x
    x = 68,894,661,929,185,296/317,051,999.70
  6. Step 6: Final answer
    x = 217,297,673.55

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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.