Home / 199,290,683.70-298,936,025.55-122,364,270.90

Finding the Fourth Proportional to 199,290,683.70, 298,936,025.55 and 122,364,270.90

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Solution

The fourth proportional to 199,290,683.70, 298,936,025.55 and 122,364,270.90 is: 183,546,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,290,683.70 : 298,936,025.55 = 122,364,270.90 : x
  2. Step 2: Convert to fraction form
    199,290,683.70/298,936,025.55 = 122,364,270.90/x
  3. Step 3: Cross multiply
    199,290,683.70x = 298,936,025.55 × 122,364,270.90
  4. Step 4: Simplify right side
    199,290,683.70x = 36,579,088,812,169,528
  5. Step 5: Solve for x
    x = 36,579,088,812,169,528/199,290,683.70
  6. Step 6: Final answer
    x = 183,546,406.35

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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.