Home / 209,933,633.60-314,900,450.40-118,100,628.80

Finding the Fourth Proportional to 209,933,633.60, 314,900,450.40 and 118,100,628.80

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Solution

The fourth proportional to 209,933,633.60, 314,900,450.40 and 118,100,628.80 is: 177,150,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,933,633.60 : 314,900,450.40 = 118,100,628.80 : x
  2. Step 2: Convert to fraction form
    209,933,633.60/314,900,450.40 = 118,100,628.80/x
  3. Step 3: Cross multiply
    209,933,633.60x = 314,900,450.40 × 118,100,628.80
  4. Step 4: Simplify right side
    209,933,633.60x = 37,189,941,201,643,208
  5. Step 5: Solve for x
    x = 37,189,941,201,643,208/209,933,633.60
  6. Step 6: Final answer
    x = 177,150,943.20

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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.