Home / 99,209,976.40-148,819,630.20-31,054,891.60

Finding the Fourth Proportional to 99,209,976.40, 148,819,630.20 and 31,054,891.60

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Solution

The fourth proportional to 99,209,976.40, 148,819,630.20 and 31,054,891.60 is: 46,583,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,209,976.40 : 148,819,630.20 = 31,054,891.60 : x
  2. Step 2: Convert to fraction form
    99,209,976.40/148,819,630.20 = 31,054,891.60/x
  3. Step 3: Cross multiply
    99,209,976.40x = 148,819,630.20 × 31,054,891.60
  4. Step 4: Simplify right side
    99,209,976.40x = 4,621,577,483,813,086
  5. Step 5: Solve for x
    x = 4,621,577,483,813,086/99,209,976.40
  6. Step 6: Final answer
    x = 46,583,797.83

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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.