Home / 291,025,805.60-436,538,708.40-145,481,830.40

Finding the Fourth Proportional to 291,025,805.60, 436,538,708.40 and 145,481,830.40

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Solution

The fourth proportional to 291,025,805.60, 436,538,708.40 and 145,481,830.40 is: 218,222,745.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,025,805.60 : 436,538,708.40 = 145,481,830.40 : x
  2. Step 2: Convert to fraction form
    291,025,805.60/436,538,708.40 = 145,481,830.40/x
  3. Step 3: Cross multiply
    291,025,805.60x = 436,538,708.40 × 145,481,830.40
  4. Step 4: Simplify right side
    291,025,805.60x = 63,508,450,338,483,856
  5. Step 5: Solve for x
    x = 63,508,450,338,483,856/291,025,805.60
  6. Step 6: Final answer
    x = 218,222,745.60

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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.