Home / 118,568,734.50-163,642,038.07-68,323,177.79

Finding the Fourth Proportional to 118,568,734.50, 163,642,038.07 and 68,323,177.79

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Solution

The fourth proportional to 118,568,734.50, 163,642,038.07 and 68,323,177.79 is: 94,295,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568,734.50 : 163,642,038.07 = 68,323,177.79 : x
  2. Step 2: Convert to fraction form
    118,568,734.50/163,642,038.07 = 68,323,177.79/x
  3. Step 3: Cross multiply
    118,568,734.50x = 163,642,038.07 × 68,323,177.79
  4. Step 4: Simplify right side
    118,568,734.50x = 11,180,544,059,985,540
  5. Step 5: Solve for x
    x = 11,180,544,059,985,540/118,568,734.50
  6. Step 6: Final answer
    x = 94,295,887.59

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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.