Home / 118,568,735-163,642,038.76-68,323,178.29

Finding the Fourth Proportional to 118,568,735, 163,642,038.76 and 68,323,178.29

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Solution

The fourth proportional to 118,568,735, 163,642,038.76 and 68,323,178.29 is: 94,295,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568,735 : 163,642,038.76 = 68,323,178.29 : x
  2. Step 2: Convert to fraction form
    118,568,735/163,642,038.76 = 68,323,178.29/x
  3. Step 3: Cross multiply
    118,568,735x = 163,642,038.76 × 68,323,178.29
  4. Step 4: Simplify right side
    118,568,735x = 11,180,544,189,120,360
  5. Step 5: Solve for x
    x = 11,180,544,189,120,360/118,568,735
  6. Step 6: Final answer
    x = 94,295,888.28

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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.