Home / 199,223,164.14-298,221,832.98-129,986,884.86

Finding the Fourth Proportional to 199,223,164.14, 298,221,832.98 and 129,986,884.86

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Solution

The fourth proportional to 199,223,164.14, 298,221,832.98 and 129,986,884.86 is: 194,580,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,223,164.14 : 298,221,832.98 = 129,986,884.86 : x
  2. Step 2: Convert to fraction form
    199,223,164.14/298,221,832.98 = 129,986,884.86/x
  3. Step 3: Cross multiply
    199,223,164.14x = 298,221,832.98 × 129,986,884.86
  4. Step 4: Simplify right side
    199,223,164.14x = 38,764,927,066,309,416
  5. Step 5: Solve for x
    x = 38,764,927,066,309,416/199,223,164.14
  6. Step 6: Final answer
    x = 194,580,420.57

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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.