Home / 144,699,856.84-199,685,756.82-79,513,959.88

Finding the Fourth Proportional to 144,699,856.84, 199,685,756.82 and 79,513,959.88

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Solution

The fourth proportional to 144,699,856.84, 199,685,756.82 and 79,513,959.88 is: 109,729,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,699,856.84 : 199,685,756.82 = 79,513,959.88 : x
  2. Step 2: Convert to fraction form
    144,699,856.84/199,685,756.82 = 79,513,959.88/x
  3. Step 3: Cross multiply
    144,699,856.84x = 199,685,756.82 × 79,513,959.88
  4. Step 4: Simplify right side
    144,699,856.84x = 15,877,805,256,392,914
  5. Step 5: Solve for x
    x = 15,877,805,256,392,914/144,699,856.84
  6. Step 6: Final answer
    x = 109,729,239.57

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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.