Home / 100,203,330.96-150,049,839.12-66,021,045.84

Finding the Fourth Proportional to 100,203,330.96, 150,049,839.12 and 66,021,045.84

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Solution

The fourth proportional to 100,203,330.96, 150,049,839.12 and 66,021,045.84 is: 98,863,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,203,330.96 : 150,049,839.12 = 66,021,045.84 : x
  2. Step 2: Convert to fraction form
    100,203,330.96/150,049,839.12 = 66,021,045.84/x
  3. Step 3: Cross multiply
    100,203,330.96x = 150,049,839.12 × 66,021,045.84
  4. Step 4: Simplify right side
    100,203,330.96x = 9,906,447,306,826,146
  5. Step 5: Solve for x
    x = 9,906,447,306,826,146/100,203,330.96
  6. Step 6: Final answer
    x = 98,863,453.06

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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.