Home / 260,880,086-360,018,991.40-143,410,367.28

Finding the Fourth Proportional to 260,880,086, 360,018,991.40 and 143,410,367.28

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Solution

The fourth proportional to 260,880,086, 360,018,991.40 and 143,410,367.28 is: 197,908,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,880,086 : 360,018,991.40 = 143,410,367.28 : x
  2. Step 2: Convert to fraction form
    260,880,086/360,018,991.40 = 143,410,367.28/x
  3. Step 3: Cross multiply
    260,880,086x = 360,018,991.40 × 143,410,367.28
  4. Step 4: Simplify right side
    260,880,086x = 51,630,455,784,449,160
  5. Step 5: Solve for x
    x = 51,630,455,784,449,160/260,880,086
  6. Step 6: Final answer
    x = 197,908,765.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.