Home / 207,749,528,622.32-311,825,804,610.98-100,259,445,128.70

Finding the Fourth Proportional to 207,749,528,622.32, 311,825,804,610.98 and 100,259,445,128.70

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Solution

The fourth proportional to 207,749,528,622.32, 311,825,804,610.98 and 100,259,445,128.70 is: 150,486,416,765.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,749,528,622.32 : 311,825,804,610.98 = 100,259,445,128.70 : x
  2. Step 2: Convert to fraction form
    207,749,528,622.32/311,825,804,610.98 = 100,259,445,128.70/x
  3. Step 3: Cross multiply
    207,749,528,622.32x = 311,825,804,610.98 × 100,259,445,128.70
  4. Step 4: Simplify right side
    207,749,528,622.32x = 31,263,482,147,107,275,538,432
  5. Step 5: Solve for x
    x = 31,263,482,147,107,275,538,432/207,749,528,622.32
  6. Step 6: Final answer
    x = 150,486,416,765.56

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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.