Home / 129,832,880.88-179,169,371.38-71,099,136.93

Finding the Fourth Proportional to 129,832,880.88, 179,169,371.38 and 71,099,136.93

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Solution

The fourth proportional to 129,832,880.88, 179,169,371.38 and 71,099,136.93 is: 98,116,806.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,832,880.88 : 179,169,371.38 = 71,099,136.93 : x
  2. Step 2: Convert to fraction form
    129,832,880.88/179,169,371.38 = 71,099,136.93/x
  3. Step 3: Cross multiply
    129,832,880.88x = 179,169,371.38 × 71,099,136.93
  4. Step 4: Simplify right side
    129,832,880.88x = 12,738,787,669,408,644
  5. Step 5: Solve for x
    x = 12,738,787,669,408,644/129,832,880.88
  6. Step 6: Final answer
    x = 98,116,806.64

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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.