Home / 209,952,179.70-314,928,269.55-190,804,557.30

Finding the Fourth Proportional to 209,952,179.70, 314,928,269.55 and 190,804,557.30

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Solution

The fourth proportional to 209,952,179.70, 314,928,269.55 and 190,804,557.30 is: 286,206,835.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,179.70 : 314,928,269.55 = 190,804,557.30 : x
  2. Step 2: Convert to fraction form
    209,952,179.70/314,928,269.55 = 190,804,557.30/x
  3. Step 3: Cross multiply
    209,952,179.70x = 314,928,269.55 × 190,804,557.30
  4. Step 4: Simplify right side
    209,952,179.70x = 60,089,749,052,742,824
  5. Step 5: Solve for x
    x = 60,089,749,052,742,824/209,952,179.70
  6. Step 6: Final answer
    x = 286,206,835.95

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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.