Home / 220,891,285.60-304,830,894.87-121,769,855.44

Finding the Fourth Proportional to 220,891,285.60, 304,830,894.87 and 121,769,855.44

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Solution

The fourth proportional to 220,891,285.60, 304,830,894.87 and 121,769,855.44 is: 168,042,908.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,891,285.60 : 304,830,894.87 = 121,769,855.44 : x
  2. Step 2: Convert to fraction form
    220,891,285.60/304,830,894.87 = 121,769,855.44/x
  3. Step 3: Cross multiply
    220,891,285.60x = 304,830,894.87 × 121,769,855.44
  4. Step 4: Simplify right side
    220,891,285.60x = 37,119,214,001,965,736
  5. Step 5: Solve for x
    x = 37,119,214,001,965,736/220,891,285.60
  6. Step 6: Final answer
    x = 168,042,908.08

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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.