Home / 140,896,091.20-211,344,136.80-126,787,316.80

Finding the Fourth Proportional to 140,896,091.20, 211,344,136.80 and 126,787,316.80

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Solution

The fourth proportional to 140,896,091.20, 211,344,136.80 and 126,787,316.80 is: 190,180,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,896,091.20 : 211,344,136.80 = 126,787,316.80 : x
  2. Step 2: Convert to fraction form
    140,896,091.20/211,344,136.80 = 126,787,316.80/x
  3. Step 3: Cross multiply
    140,896,091.20x = 211,344,136.80 × 126,787,316.80
  4. Step 4: Simplify right side
    140,896,091.20x = 26,795,756,026,284,140
  5. Step 5: Solve for x
    x = 26,795,756,026,284,140/140,896,091.20
  6. Step 6: Final answer
    x = 190,180,975.20

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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.