Home / 199,303,399.60-298,955,099.40-122,376,986.80

Finding the Fourth Proportional to 199,303,399.60, 298,955,099.40 and 122,376,986.80

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Solution

The fourth proportional to 199,303,399.60, 298,955,099.40 and 122,376,986.80 is: 183,565,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,303,399.60 : 298,955,099.40 = 122,376,986.80 : x
  2. Step 2: Convert to fraction form
    199,303,399.60/298,955,099.40 = 122,376,986.80/x
  3. Step 3: Cross multiply
    199,303,399.60x = 298,955,099.40 × 122,376,986.80
  4. Step 4: Simplify right side
    199,303,399.60x = 36,585,224,253,066,488
  5. Step 5: Solve for x
    x = 36,585,224,253,066,488/199,303,399.60
  6. Step 6: Final answer
    x = 183,565,480.20

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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.