Home / 108,865,271.80-163,297,907.70-100,551,172.60

Finding the Fourth Proportional to 108,865,271.80, 163,297,907.70 and 100,551,172.60

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Solution

The fourth proportional to 108,865,271.80, 163,297,907.70 and 100,551,172.60 is: 150,826,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,865,271.80 : 163,297,907.70 = 100,551,172.60 : x
  2. Step 2: Convert to fraction form
    108,865,271.80/163,297,907.70 = 100,551,172.60/x
  3. Step 3: Cross multiply
    108,865,271.80x = 163,297,907.70 × 100,551,172.60
  4. Step 4: Simplify right side
    108,865,271.80x = 16,419,796,102,361,566
  5. Step 5: Solve for x
    x = 16,419,796,102,361,566/108,865,271.80
  6. Step 6: Final answer
    x = 150,826,758.90

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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.