Home / 168,494,977.90-252,742,466.85-141,285,198.70

Finding the Fourth Proportional to 168,494,977.90, 252,742,466.85 and 141,285,198.70

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Solution

The fourth proportional to 168,494,977.90, 252,742,466.85 and 141,285,198.70 is: 211,927,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,494,977.90 : 252,742,466.85 = 141,285,198.70 : x
  2. Step 2: Convert to fraction form
    168,494,977.90/252,742,466.85 = 141,285,198.70/x
  3. Step 3: Cross multiply
    168,494,977.90x = 252,742,466.85 × 141,285,198.70
  4. Step 4: Simplify right side
    168,494,977.90x = 35,708,769,648,830,408
  5. Step 5: Solve for x
    x = 35,708,769,648,830,408/168,494,977.90
  6. Step 6: Final answer
    x = 211,927,798.05

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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.