Home / 219,646,672.10-303,111,575.68-120,529,077.85

Finding the Fourth Proportional to 219,646,672.10, 303,111,575.68 and 120,529,077.85

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Solution

The fourth proportional to 219,646,672.10, 303,111,575.68 and 120,529,077.85 is: 166,329,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,646,672.10 : 303,111,575.68 = 120,529,077.85 : x
  2. Step 2: Convert to fraction form
    219,646,672.10/303,111,575.68 = 120,529,077.85/x
  3. Step 3: Cross multiply
    219,646,672.10x = 303,111,575.68 × 120,529,077.85
  4. Step 4: Simplify right side
    219,646,672.10x = 36,533,758,700,252,688
  5. Step 5: Solve for x
    x = 36,533,758,700,252,688/219,646,672.10
  6. Step 6: Final answer
    x = 166,329,670.97

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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.