Home / 53,759,090.47-80,638,639.38-21,433,693.42

Finding the Fourth Proportional to 53,759,090.47, 80,638,639.38 and 21,433,693.42

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Solution

The fourth proportional to 53,759,090.47, 80,638,639.38 and 21,433,693.42 is: 32,150,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,759,090.47 : 80,638,639.38 = 21,433,693.42 : x
  2. Step 2: Convert to fraction form
    53,759,090.47/80,638,639.38 = 21,433,693.42/x
  3. Step 3: Cross multiply
    53,759,090.47x = 80,638,639.38 × 21,433,693.42
  4. Step 4: Simplify right side
    53,759,090.47x = 1,728,383,874,276,859
  5. Step 5: Solve for x
    x = 1,728,383,874,276,859/53,759,090.47
  6. Step 6: Final answer
    x = 32,150,541.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.