Home / 193,464,467.88-266,979,128.76-105,359,936

Finding the Fourth Proportional to 193,464,467.88, 266,979,128.76 and 105,359,936

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Solution

The fourth proportional to 193,464,467.88, 266,979,128.76 and 105,359,936 is: 145,395,711.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,464,467.88 : 266,979,128.76 = 105,359,936 : x
  2. Step 2: Convert to fraction form
    193,464,467.88/266,979,128.76 = 105,359,936/x
  3. Step 3: Cross multiply
    193,464,467.88x = 266,979,128.76 × 105,359,936
  4. Step 4: Simplify right side
    193,464,467.88x = 28,128,903,919,489,360
  5. Step 5: Solve for x
    x = 28,128,903,919,489,360/193,464,467.88
  6. Step 6: Final answer
    x = 145,395,711.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.