Home / 53,842,721.43-80,784,436.64-21,076,707.47

Finding the Fourth Proportional to 53,842,721.43, 80,784,436.64 and 21,076,707.47

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Solution

The fourth proportional to 53,842,721.43, 80,784,436.64 and 21,076,707.47 is: 31,623,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,842,721.43 : 80,784,436.64 = 21,076,707.47 : x
  2. Step 2: Convert to fraction form
    53,842,721.43/80,784,436.64 = 21,076,707.47/x
  3. Step 3: Cross multiply
    53,842,721.43x = 80,784,436.64 × 21,076,707.47
  4. Step 4: Simplify right side
    53,842,721.43x = 1,702,669,939,190,029.50
  5. Step 5: Solve for x
    x = 1,702,669,939,190,029.50/53,842,721.43
  6. Step 6: Final answer
    x = 31,623,028.96

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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.