Home / 201,532,661.73-278,106,126.66-112,229,212.20

Finding the Fourth Proportional to 201,532,661.73, 278,106,126.66 and 112,229,212.20

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Solution

The fourth proportional to 201,532,661.73, 278,106,126.66 and 112,229,212.20 is: 154,871,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,532,661.73 : 278,106,126.66 = 112,229,212.20 : x
  2. Step 2: Convert to fraction form
    201,532,661.73/278,106,126.66 = 112,229,212.20/x
  3. Step 3: Cross multiply
    201,532,661.73x = 278,106,126.66 × 112,229,212.20
  4. Step 4: Simplify right side
    201,532,661.73x = 31,211,631,503,045,220
  5. Step 5: Solve for x
    x = 31,211,631,503,045,220/201,532,661.73
  6. Step 6: Final answer
    x = 154,871,330.71

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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.