Home / 205,524,352.40-308,300,525.40-65,453,709.20

Finding the Fourth Proportional to 205,524,352.40, 308,300,525.40 and 65,453,709.20

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Solution

The fourth proportional to 205,524,352.40, 308,300,525.40 and 65,453,709.20 is: 98,185,021.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,524,352.40 : 308,300,525.40 = 65,453,709.20 : x
  2. Step 2: Convert to fraction form
    205,524,352.40/308,300,525.40 = 65,453,709.20/x
  3. Step 3: Cross multiply
    205,524,352.40x = 308,300,525.40 × 65,453,709.20
  4. Step 4: Simplify right side
    205,524,352.40x = 20,179,412,935,738,812
  5. Step 5: Solve for x
    x = 20,179,412,935,738,812/205,524,352.40
  6. Step 6: Final answer
    x = 98,185,021.39

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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.