Home / 209,952,280.80-314,928,421.20-196,515,352.80

Finding the Fourth Proportional to 209,952,280.80, 314,928,421.20 and 196,515,352.80

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Solution

The fourth proportional to 209,952,280.80, 314,928,421.20 and 196,515,352.80 is: 294,773,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,280.80 : 314,928,421.20 = 196,515,352.80 : x
  2. Step 2: Convert to fraction form
    209,952,280.80/314,928,421.20 = 196,515,352.80/x
  3. Step 3: Cross multiply
    209,952,280.80x = 314,928,421.20 × 196,515,352.80
  4. Step 4: Simplify right side
    209,952,280.80x = 61,888,269,798,865,000
  5. Step 5: Solve for x
    x = 61,888,269,798,865,000/209,952,280.80
  6. Step 6: Final answer
    x = 294,773,029.20

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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.