Home / 279,938,445.70-419,907,668.55-98,162,004.10

Finding the Fourth Proportional to 279,938,445.70, 419,907,668.55 and 98,162,004.10

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Solution

The fourth proportional to 279,938,445.70, 419,907,668.55 and 98,162,004.10 is: 147,243,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,938,445.70 : 419,907,668.55 = 98,162,004.10 : x
  2. Step 2: Convert to fraction form
    279,938,445.70/419,907,668.55 = 98,162,004.10/x
  3. Step 3: Cross multiply
    279,938,445.70x = 419,907,668.55 × 98,162,004.10
  4. Step 4: Simplify right side
    279,938,445.70x = 41,218,978,281,826,536
  5. Step 5: Solve for x
    x = 41,218,978,281,826,536/279,938,445.70
  6. Step 6: Final answer
    x = 147,243,006.15

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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.