Home / 108,816,136.20-162,846,290.70-74,803,912.20

Finding the Fourth Proportional to 108,816,136.20, 162,846,290.70 and 74,803,912.20

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Solution

The fourth proportional to 108,816,136.20, 162,846,290.70 and 74,803,912.20 is: 111,946,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,816,136.20 : 162,846,290.70 = 74,803,912.20 : x
  2. Step 2: Convert to fraction form
    108,816,136.20/162,846,290.70 = 74,803,912.20/x
  3. Step 3: Cross multiply
    108,816,136.20x = 162,846,290.70 × 74,803,912.20
  4. Step 4: Simplify right side
    108,816,136.20x = 12,181,539,631,618,476
  5. Step 5: Solve for x
    x = 12,181,539,631,618,476/108,816,136.20
  6. Step 6: Final answer
    x = 111,946,077.64

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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.