Home / 142,573,270.44-196,751,258.82-77,383,187.88

Finding the Fourth Proportional to 142,573,270.44, 196,751,258.82 and 77,383,187.88

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Solution

The fourth proportional to 142,573,270.44, 196,751,258.82 and 77,383,187.88 is: 106,788,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,573,270.44 : 196,751,258.82 = 77,383,187.88 : x
  2. Step 2: Convert to fraction form
    142,573,270.44/196,751,258.82 = 77,383,187.88/x
  3. Step 3: Cross multiply
    142,573,270.44x = 196,751,258.82 × 77,383,187.88
  4. Step 4: Simplify right side
    142,573,270.44x = 15,225,239,626,894,566
  5. Step 5: Solve for x
    x = 15,225,239,626,894,566/142,573,270.44
  6. Step 6: Final answer
    x = 106,788,878.31

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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.