Home / 142,573,269.44-196,751,257.44-77,383,186.88

Finding the Fourth Proportional to 142,573,269.44, 196,751,257.44 and 77,383,186.88

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Solution

The fourth proportional to 142,573,269.44, 196,751,257.44 and 77,383,186.88 is: 106,788,876.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,573,269.44 : 196,751,257.44 = 77,383,186.88 : x
  2. Step 2: Convert to fraction form
    142,573,269.44/196,751,257.44 = 77,383,186.88/x
  3. Step 3: Cross multiply
    142,573,269.44x = 196,751,257.44 × 77,383,186.88
  4. Step 4: Simplify right side
    142,573,269.44x = 15,225,239,323,354,510
  5. Step 5: Solve for x
    x = 15,225,239,323,354,510/142,573,269.44
  6. Step 6: Final answer
    x = 106,788,876.93

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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.