Home / 118,568,801.89-163,642,130.58-68,323,244.77

Finding the Fourth Proportional to 118,568,801.89, 163,642,130.58 and 68,323,244.77

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Solution

The fourth proportional to 118,568,801.89, 163,642,130.58 and 68,323,244.77 is: 94,295,979.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568,801.89 : 163,642,130.58 = 68,323,244.77 : x
  2. Step 2: Convert to fraction form
    118,568,801.89/163,642,130.58 = 68,323,244.77/x
  3. Step 3: Cross multiply
    118,568,801.89x = 163,642,130.58 × 68,323,244.77
  4. Step 4: Simplify right side
    118,568,801.89x = 11,180,561,342,301,642
  5. Step 5: Solve for x
    x = 11,180,561,342,301,642/118,568,801.89
  6. Step 6: Final answer
    x = 94,295,979.75

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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.