Home / 209,952,190.45-314,928,285.68-190,804,568.05

Finding the Fourth Proportional to 209,952,190.45, 314,928,285.68 and 190,804,568.05

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Solution

The fourth proportional to 209,952,190.45, 314,928,285.68 and 190,804,568.05 is: 286,206,852.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,190.45 : 314,928,285.68 = 190,804,568.05 : x
  2. Step 2: Convert to fraction form
    209,952,190.45/314,928,285.68 = 190,804,568.05/x
  3. Step 3: Cross multiply
    209,952,190.45x = 314,928,285.68 × 190,804,568.05
  4. Step 4: Simplify right side
    209,952,190.45x = 60,089,755,515,899,408
  5. Step 5: Solve for x
    x = 60,089,755,515,899,408/209,952,190.45
  6. Step 6: Final answer
    x = 286,206,852.08

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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.