Home / 53,498,158.52-80,221,940.54-20,724,077.22

Finding the Fourth Proportional to 53,498,158.52, 80,221,940.54 and 20,724,077.22

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Solution

The fourth proportional to 53,498,158.52, 80,221,940.54 and 20,724,077.22 is: 31,076,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,498,158.52 : 80,221,940.54 = 20,724,077.22 : x
  2. Step 2: Convert to fraction form
    53,498,158.52/80,221,940.54 = 20,724,077.22/x
  3. Step 3: Cross multiply
    53,498,158.52x = 80,221,940.54 × 20,724,077.22
  4. Step 4: Simplify right side
    53,498,158.52x = 1,662,525,690,489,208.50
  5. Step 5: Solve for x
    x = 1,662,525,690,489,208.50/53,498,158.52
  6. Step 6: Final answer
    x = 31,076,316.20

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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.