Home / 199,551,243.60-299,326,865.40-131,470,808.40

Finding the Fourth Proportional to 199,551,243.60, 299,326,865.40 and 131,470,808.40

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Solution

The fourth proportional to 199,551,243.60, 299,326,865.40 and 131,470,808.40 is: 197,206,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,551,243.60 : 299,326,865.40 = 131,470,808.40 : x
  2. Step 2: Convert to fraction form
    199,551,243.60/299,326,865.40 = 131,470,808.40/x
  3. Step 3: Cross multiply
    199,551,243.60x = 299,326,865.40 × 131,470,808.40
  4. Step 4: Simplify right side
    199,551,243.60x = 39,352,744,969,975,992
  5. Step 5: Solve for x
    x = 39,352,744,969,975,992/199,551,243.60
  6. Step 6: Final answer
    x = 197,206,212.60

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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.