Home / 53,842,718.43-80,784,432.14-21,076,704.47

Finding the Fourth Proportional to 53,842,718.43, 80,784,432.14 and 21,076,704.47

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Solution

The fourth proportional to 53,842,718.43, 80,784,432.14 and 21,076,704.47 is: 31,623,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,842,718.43 : 80,784,432.14 = 21,076,704.47 : x
  2. Step 2: Convert to fraction form
    53,842,718.43/80,784,432.14 = 21,076,704.47/x
  3. Step 3: Cross multiply
    53,842,718.43x = 80,784,432.14 × 21,076,704.47
  4. Step 4: Simplify right side
    53,842,718.43x = 1,702,669,601,482,244
  5. Step 5: Solve for x
    x = 1,702,669,601,482,244/53,842,718.43
  6. Step 6: Final answer
    x = 31,623,024.45

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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.