Home / 207,597,628.80-311,183,866.80-121,291,610.40

Finding the Fourth Proportional to 207,597,628.80, 311,183,866.80 and 121,291,610.40

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Solution

The fourth proportional to 207,597,628.80, 311,183,866.80 and 121,291,610.40 is: 181,813,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,597,628.80 : 311,183,866.80 = 121,291,610.40 : x
  2. Step 2: Convert to fraction form
    207,597,628.80/311,183,866.80 = 121,291,610.40/x
  3. Step 3: Cross multiply
    207,597,628.80x = 311,183,866.80 × 121,291,610.40
  4. Step 4: Simplify right side
    207,597,628.80x = 37,743,992,334,671,096
  5. Step 5: Solve for x
    x = 37,743,992,334,671,096/207,597,628.80
  6. Step 6: Final answer
    x = 181,813,215.08

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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.