Home / 219,485,141.21-302,861,656.37-120,339,798.94

Finding the Fourth Proportional to 219,485,141.21, 302,861,656.37 and 120,339,798.94

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Solution

The fourth proportional to 219,485,141.21, 302,861,656.37 and 120,339,798.94 is: 166,053,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,485,141.21 : 302,861,656.37 = 120,339,798.94 : x
  2. Step 2: Convert to fraction form
    219,485,141.21/302,861,656.37 = 120,339,798.94/x
  3. Step 3: Cross multiply
    219,485,141.21x = 302,861,656.37 × 120,339,798.94
  4. Step 4: Simplify right side
    219,485,141.21x = 36,446,310,834,880,600
  5. Step 5: Solve for x
    x = 36,446,310,834,880,600/219,485,141.21
  6. Step 6: Final answer
    x = 166,053,659.18

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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.