Home / 168,392,820-252,589,239.72-40,742,004

Finding the Fourth Proportional to 168,392,820, 252,589,239.72 and 40,742,004

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Solution

The fourth proportional to 168,392,820, 252,589,239.72 and 40,742,004 is: 61,113,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,392,820 : 252,589,239.72 = 40,742,004 : x
  2. Step 2: Convert to fraction form
    168,392,820/252,589,239.72 = 40,742,004/x
  3. Step 3: Cross multiply
    168,392,820x = 252,589,239.72 × 40,742,004
  4. Step 4: Simplify right side
    168,392,820x = 10,290,991,815,029,198
  5. Step 5: Solve for x
    x = 10,290,991,815,029,198/168,392,820
  6. Step 6: Final answer
    x = 61,113,008.35

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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.