Home / 99,987,137.78-149,949,692.57-35,275,810.10

Finding the Fourth Proportional to 99,987,137.78, 149,949,692.57 and 35,275,810.10

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Solution

The fourth proportional to 99,987,137.78, 149,949,692.57 and 35,275,810.10 is: 52,902,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,987,137.78 : 149,949,692.57 = 35,275,810.10 : x
  2. Step 2: Convert to fraction form
    99,987,137.78/149,949,692.57 = 35,275,810.10/x
  3. Step 3: Cross multiply
    99,987,137.78x = 149,949,692.57 × 35,275,810.10
  4. Step 4: Simplify right side
    99,987,137.78x = 5,289,596,878,991,142
  5. Step 5: Solve for x
    x = 5,289,596,878,991,142/99,987,137.78
  6. Step 6: Final answer
    x = 52,902,773.26

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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.