Home / 191,474,228.85-287,169,352.87-55,130,000.37

Finding the Fourth Proportional to 191,474,228.85, 287,169,352.87 and 55,130,000.37

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Solution

The fourth proportional to 191,474,228.85, 287,169,352.87 and 55,130,000.37 is: 82,682,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,474,228.85 : 287,169,352.87 = 55,130,000.37 : x
  2. Step 2: Convert to fraction form
    191,474,228.85/287,169,352.87 = 55,130,000.37/x
  3. Step 3: Cross multiply
    191,474,228.85x = 287,169,352.87 × 55,130,000.37
  4. Step 4: Simplify right side
    191,474,228.85x = 15,831,646,529,975,760
  5. Step 5: Solve for x
    x = 15,831,646,529,975,760/191,474,228.85
  6. Step 6: Final answer
    x = 82,682,910.52

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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.