Home / 149,286,114.99-206,015,800.41-83,210,808.87

Finding the Fourth Proportional to 149,286,114.99, 206,015,800.41 and 83,210,808.87

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Solution

The fourth proportional to 149,286,114.99, 206,015,800.41 and 83,210,808.87 is: 114,831,452.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,286,114.99 : 206,015,800.41 = 83,210,808.87 : x
  2. Step 2: Convert to fraction form
    149,286,114.99/206,015,800.41 = 83,210,808.87/x
  3. Step 3: Cross multiply
    149,286,114.99x = 206,015,800.41 × 83,210,808.87
  4. Step 4: Simplify right side
    149,286,114.99x = 17,142,741,392,116,578
  5. Step 5: Solve for x
    x = 17,142,741,392,116,578/149,286,114.99
  6. Step 6: Final answer
    x = 114,831,452.30

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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.