Home / 290,963,668.83-436,502,998.16-106,732,855.54

Finding the Fourth Proportional to 290,963,668.83, 436,502,998.16 and 106,732,855.54

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Solution

The fourth proportional to 290,963,668.83, 436,502,998.16 and 106,732,855.54 is: 160,120,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,963,668.83 : 436,502,998.16 = 106,732,855.54 : x
  2. Step 2: Convert to fraction form
    290,963,668.83/436,502,998.16 = 106,732,855.54/x
  3. Step 3: Cross multiply
    290,963,668.83x = 436,502,998.16 × 106,732,855.54
  4. Step 4: Simplify right side
    290,963,668.83x = 46,589,211,445,388,168
  5. Step 5: Solve for x
    x = 46,589,211,445,388,168/290,963,668.83
  6. Step 6: Final answer
    x = 160,120,373.90

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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.