Home / 199,684,007.20-298,938,145.20-148,791,642.40

Finding the Fourth Proportional to 199,684,007.20, 298,938,145.20 and 148,791,642.40

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Solution

The fourth proportional to 199,684,007.20, 298,938,145.20 and 148,791,642.40 is: 222,749,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,684,007.20 : 298,938,145.20 = 148,791,642.40 : x
  2. Step 2: Convert to fraction form
    199,684,007.20/298,938,145.20 = 148,791,642.40/x
  3. Step 3: Cross multiply
    199,684,007.20x = 298,938,145.20 × 148,791,642.40
  4. Step 4: Simplify right side
    199,684,007.20x = 44,479,497,600,317,680
  5. Step 5: Solve for x
    x = 44,479,497,600,317,680/199,684,007.20
  6. Step 6: Final answer
    x = 222,749,424.07

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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.