Home / 304,485,701.04-420,190,676.55-165,256,464.78

Finding the Fourth Proportional to 304,485,701.04, 420,190,676.55 and 165,256,464.78

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Solution

The fourth proportional to 304,485,701.04, 420,190,676.55 and 165,256,464.78 is: 228,054,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,485,701.04 : 420,190,676.55 = 165,256,464.78 : x
  2. Step 2: Convert to fraction form
    304,485,701.04/420,190,676.55 = 165,256,464.78/x
  3. Step 3: Cross multiply
    304,485,701.04x = 420,190,676.55 × 165,256,464.78
  4. Step 4: Simplify right side
    304,485,701.04x = 69,439,225,740,169,448
  5. Step 5: Solve for x
    x = 69,439,225,740,169,448/304,485,701.04
  6. Step 6: Final answer
    x = 228,054,143.44

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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.