Home / 154,100,131.19-212,658,465.26-83,535,523.19

Finding the Fourth Proportional to 154,100,131.19, 212,658,465.26 and 83,535,523.19

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Solution

The fourth proportional to 154,100,131.19, 212,658,465.26 and 83,535,523.19 is: 115,279,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,100,131.19 : 212,658,465.26 = 83,535,523.19 : x
  2. Step 2: Convert to fraction form
    154,100,131.19/212,658,465.26 = 83,535,523.19/x
  3. Step 3: Cross multiply
    154,100,131.19x = 212,658,465.26 × 83,535,523.19
  4. Step 4: Simplify right side
    154,100,131.19x = 17,764,536,155,858,860
  5. Step 5: Solve for x
    x = 17,764,536,155,858,860/154,100,131.19
  6. Step 6: Final answer
    x = 115,279,176.07

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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.