Home / 118,112,346.40-177,168,519.60-108,557,197.60

Finding the Fourth Proportional to 118,112,346.40, 177,168,519.60 and 108,557,197.60

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Solution

The fourth proportional to 118,112,346.40, 177,168,519.60 and 108,557,197.60 is: 162,835,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,112,346.40 : 177,168,519.60 = 108,557,197.60 : x
  2. Step 2: Convert to fraction form
    118,112,346.40/177,168,519.60 = 108,557,197.60/x
  3. Step 3: Cross multiply
    118,112,346.40x = 177,168,519.60 × 108,557,197.60
  4. Step 4: Simplify right side
    118,112,346.40x = 19,232,917,990,716,672
  5. Step 5: Solve for x
    x = 19,232,917,990,716,672/118,112,346.40
  6. Step 6: Final answer
    x = 162,835,796.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.