Home / 219,646,672.60-303,111,576.37-120,529,078.35

Finding the Fourth Proportional to 219,646,672.60, 303,111,576.37 and 120,529,078.35

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Solution

The fourth proportional to 219,646,672.60, 303,111,576.37 and 120,529,078.35 is: 166,329,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,646,672.60 : 303,111,576.37 = 120,529,078.35 : x
  2. Step 2: Convert to fraction form
    219,646,672.60/303,111,576.37 = 120,529,078.35/x
  3. Step 3: Cross multiply
    219,646,672.60x = 303,111,576.37 × 120,529,078.35
  4. Step 4: Simplify right side
    219,646,672.60x = 36,533,758,934,973,536
  5. Step 5: Solve for x
    x = 36,533,758,934,973,536/219,646,672.60
  6. Step 6: Final answer
    x = 166,329,671.66

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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.