Home / 219,892,927.85-303,455,886.47-120,782,835.01

Finding the Fourth Proportional to 219,892,927.85, 303,455,886.47 and 120,782,835.01

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Solution

The fourth proportional to 219,892,927.85, 303,455,886.47 and 120,782,835.01 is: 166,682,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,892,927.85 : 303,455,886.47 = 120,782,835.01 : x
  2. Step 2: Convert to fraction form
    219,892,927.85/303,455,886.47 = 120,782,835.01/x
  3. Step 3: Cross multiply
    219,892,927.85x = 303,455,886.47 × 120,782,835.01
  4. Step 4: Simplify right side
    219,892,927.85x = 36,652,262,268,548,856
  5. Step 5: Solve for x
    x = 36,652,262,268,548,856/219,892,927.85
  6. Step 6: Final answer
    x = 166,682,315.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.