Home / 219,810,955.52-303,343,457.06-120,690,835.72

Finding the Fourth Proportional to 219,810,955.52, 303,343,457.06 and 120,690,835.72

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Solution

The fourth proportional to 219,810,955.52, 303,343,457.06 and 120,690,835.72 is: 166,555,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,810,955.52 : 303,343,457.06 = 120,690,835.72 : x
  2. Step 2: Convert to fraction form
    219,810,955.52/303,343,457.06 = 120,690,835.72/x
  3. Step 3: Cross multiply
    219,810,955.52x = 303,343,457.06 × 120,690,835.72
  4. Step 4: Simplify right side
    219,810,955.52x = 36,610,775,342,765,336
  5. Step 5: Solve for x
    x = 36,610,775,342,765,336/219,810,955.52
  6. Step 6: Final answer
    x = 166,555,735.39

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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.