Home / 148,536,280.80-222,379,268.40-131,530,168.80

Finding the Fourth Proportional to 148,536,280.80, 222,379,268.40 and 131,530,168.80

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Solution

The fourth proportional to 148,536,280.80, 222,379,268.40 and 131,530,168.80 is: 196,918,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,536,280.80 : 222,379,268.40 = 131,530,168.80 : x
  2. Step 2: Convert to fraction form
    148,536,280.80/222,379,268.40 = 131,530,168.80/x
  3. Step 3: Cross multiply
    148,536,280.80x = 222,379,268.40 × 131,530,168.80
  4. Step 4: Simplify right side
    148,536,280.80x = 29,249,582,710,272,508
  5. Step 5: Solve for x
    x = 29,249,582,710,272,508/148,536,280.80
  6. Step 6: Final answer
    x = 196,918,776.70

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1.5x scale

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.