Home / 209,952,431.80-314,928,647.70-179,341,430.20

Finding the Fourth Proportional to 209,952,431.80, 314,928,647.70 and 179,341,430.20

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Solution

The fourth proportional to 209,952,431.80, 314,928,647.70 and 179,341,430.20 is: 269,012,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,431.80 : 314,928,647.70 = 179,341,430.20 : x
  2. Step 2: Convert to fraction form
    209,952,431.80/314,928,647.70 = 179,341,430.20/x
  3. Step 3: Cross multiply
    209,952,431.80x = 314,928,647.70 × 179,341,430.20
  4. Step 4: Simplify right side
    209,952,431.80x = 56,479,754,089,469,936
  5. Step 5: Solve for x
    x = 56,479,754,089,469,936/209,952,431.80
  6. Step 6: Final answer
    x = 269,012,145.30

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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.