Home / 209,952,183.45-314,928,275.18-190,804,561.05

Finding the Fourth Proportional to 209,952,183.45, 314,928,275.18 and 190,804,561.05

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Solution

The fourth proportional to 209,952,183.45, 314,928,275.18 and 190,804,561.05 is: 286,206,841.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,183.45 : 314,928,275.18 = 190,804,561.05 : x
  2. Step 2: Convert to fraction form
    209,952,183.45/314,928,275.18 = 190,804,561.05/x
  3. Step 3: Cross multiply
    209,952,183.45x = 314,928,275.18 × 190,804,561.05
  4. Step 4: Simplify right side
    209,952,183.45x = 60,089,751,307,953,512
  5. Step 5: Solve for x
    x = 60,089,751,307,953,512/209,952,183.45
  6. Step 6: Final answer
    x = 286,206,841.58

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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.