Home / 199,330,128.80-298,673,266.80-112,811,242.40

Finding the Fourth Proportional to 199,330,128.80, 298,673,266.80 and 112,811,242.40

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Solution

The fourth proportional to 199,330,128.80, 298,673,266.80 and 112,811,242.40 is: 169,034,668.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,330,128.80 : 298,673,266.80 = 112,811,242.40 : x
  2. Step 2: Convert to fraction form
    199,330,128.80/298,673,266.80 = 112,811,242.40/x
  3. Step 3: Cross multiply
    199,330,128.80x = 298,673,266.80 × 112,811,242.40
  4. Step 4: Simplify right side
    199,330,128.80x = 33,693,702,299,374,676
  5. Step 5: Solve for x
    x = 33,693,702,299,374,676/199,330,128.80
  6. Step 6: Final answer
    x = 169,034,668.78

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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.