Home / 259,453,023.12-358,045,200.24-141,978,378.24

Finding the Fourth Proportional to 259,453,023.12, 358,045,200.24 and 141,978,378.24

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Solution

The fourth proportional to 259,453,023.12, 358,045,200.24 and 141,978,378.24 is: 195,930,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,453,023.12 : 358,045,200.24 = 141,978,378.24 : x
  2. Step 2: Convert to fraction form
    259,453,023.12/358,045,200.24 = 141,978,378.24/x
  3. Step 3: Cross multiply
    259,453,023.12x = 358,045,200.24 × 141,978,378.24
  4. Step 4: Simplify right side
    259,453,023.12x = 50,834,676,866,691,264
  5. Step 5: Solve for x
    x = 50,834,676,866,691,264/259,453,023.12
  6. Step 6: Final answer
    x = 195,930,177.48

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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.