Home / 145,629,528.04-200,964,911.46-80,438,032.36

Finding the Fourth Proportional to 145,629,528.04, 200,964,911.46 and 80,438,032.36

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Solution

The fourth proportional to 145,629,528.04, 200,964,911.46 and 80,438,032.36 is: 111,002,365.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,629,528.04 : 200,964,911.46 = 80,438,032.36 : x
  2. Step 2: Convert to fraction form
    145,629,528.04/200,964,911.46 = 80,438,032.36/x
  3. Step 3: Cross multiply
    145,629,528.04x = 200,964,911.46 × 80,438,032.36
  4. Step 4: Simplify right side
    145,629,528.04x = 16,165,222,051,244,016
  5. Step 5: Solve for x
    x = 16,165,222,051,244,016/145,629,528.04
  6. Step 6: Final answer
    x = 111,002,365.17

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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.