Home / 118,698,696.41-163,884,142.22-74,112,562.71

Finding the Fourth Proportional to 118,698,696.41, 163,884,142.22 and 74,112,562.71

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Solution

The fourth proportional to 118,698,696.41, 163,884,142.22 and 74,112,562.71 is: 102,325,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,698,696.41 : 163,884,142.22 = 74,112,562.71 : x
  2. Step 2: Convert to fraction form
    118,698,696.41/163,884,142.22 = 74,112,562.71/x
  3. Step 3: Cross multiply
    118,698,696.41x = 163,884,142.22 × 74,112,562.71
  4. Step 4: Simplify right side
    118,698,696.41x = 12,145,873,767,083,744
  5. Step 5: Solve for x
    x = 12,145,873,767,083,744/118,698,696.41
  6. Step 6: Final answer
    x = 102,325,249.85

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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.