Home / 291,266,949.60-436,606,491.60-145,476,280.80

Finding the Fourth Proportional to 291,266,949.60, 436,606,491.60 and 145,476,280.80

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Solution

The fourth proportional to 291,266,949.60, 436,606,491.60 and 145,476,280.80 is: 218,067,613.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,266,949.60 : 436,606,491.60 = 145,476,280.80 : x
  2. Step 2: Convert to fraction form
    291,266,949.60/436,606,491.60 = 145,476,280.80/x
  3. Step 3: Cross multiply
    291,266,949.60x = 436,606,491.60 × 145,476,280.80
  4. Step 4: Simplify right side
    291,266,949.60x = 63,515,888,571,104,448
  5. Step 5: Solve for x
    x = 63,515,888,571,104,448/291,266,949.60
  6. Step 6: Final answer
    x = 218,067,613.43

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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.