Home / 360,612,001.78-540,738,887.16-114,936,668.98

Finding the Fourth Proportional to 360,612,001.78, 540,738,887.16 and 114,936,668.98

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Solution

The fourth proportional to 360,612,001.78, 540,738,887.16 and 114,936,668.98 is: 172,347,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,612,001.78 : 540,738,887.16 = 114,936,668.98 : x
  2. Step 2: Convert to fraction form
    360,612,001.78/540,738,887.16 = 114,936,668.98/x
  3. Step 3: Cross multiply
    360,612,001.78x = 540,738,887.16 × 114,936,668.98
  4. Step 4: Simplify right side
    360,612,001.78x = 62,150,726,478,122,488
  5. Step 5: Solve for x
    x = 62,150,726,478,122,488/360,612,001.78
  6. Step 6: Final answer
    x = 172,347,914.58

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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.