Home / 144,404,763.88-199,266,729.06-79,214,667.88

Finding the Fourth Proportional to 144,404,763.88, 199,266,729.06 and 79,214,667.88

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Solution

The fourth proportional to 144,404,763.88, 199,266,729.06 and 79,214,667.88 is: 109,309,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,404,763.88 : 199,266,729.06 = 79,214,667.88 : x
  2. Step 2: Convert to fraction form
    144,404,763.88/199,266,729.06 = 79,214,667.88/x
  3. Step 3: Cross multiply
    144,404,763.88x = 199,266,729.06 × 79,214,667.88
  4. Step 4: Simplify right side
    144,404,763.88x = 15,784,847,762,021,844
  5. Step 5: Solve for x
    x = 15,784,847,762,021,844/144,404,763.88
  6. Step 6: Final answer
    x = 109,309,743.93

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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.