Home / 126,986,136.90-190,479,205.35-40,733,262.60

Finding the Fourth Proportional to 126,986,136.90, 190,479,205.35 and 40,733,262.60

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Solution

The fourth proportional to 126,986,136.90, 190,479,205.35 and 40,733,262.60 is: 61,099,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,986,136.90 : 190,479,205.35 = 40,733,262.60 : x
  2. Step 2: Convert to fraction form
    126,986,136.90/190,479,205.35 = 40,733,262.60/x
  3. Step 3: Cross multiply
    126,986,136.90x = 190,479,205.35 × 40,733,262.60
  4. Step 4: Simplify right side
    126,986,136.90x = 7,758,839,491,360,875
  5. Step 5: Solve for x
    x = 7,758,839,491,360,875/126,986,136.90
  6. Step 6: Final answer
    x = 61,099,893.90

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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.