Home / 118,077,301.80-163,005,668.37-73,437,662.97

Finding the Fourth Proportional to 118,077,301.80, 163,005,668.37 and 73,437,662.97

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Solution

The fourth proportional to 118,077,301.80, 163,005,668.37 and 73,437,662.97 is: 101,380,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,077,301.80 : 163,005,668.37 = 73,437,662.97 : x
  2. Step 2: Convert to fraction form
    118,077,301.80/163,005,668.37 = 73,437,662.97/x
  3. Step 3: Cross multiply
    118,077,301.80x = 163,005,668.37 × 73,437,662.97
  4. Step 4: Simplify right side
    118,077,301.80x = 11,970,755,335,955,650
  5. Step 5: Solve for x
    x = 11,970,755,335,955,650/118,077,301.80
  6. Step 6: Final answer
    x = 101,380,664.64

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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.