Home / 86,852,481.75-130,251,111.89-28,546,711.83

Finding the Fourth Proportional to 86,852,481.75, 130,251,111.89 and 28,546,711.83

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Solution

The fourth proportional to 86,852,481.75, 130,251,111.89 and 28,546,711.83 is: 42,810,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,852,481.75 : 130,251,111.89 = 28,546,711.83 : x
  2. Step 2: Convert to fraction form
    86,852,481.75/130,251,111.89 = 28,546,711.83/x
  3. Step 3: Cross multiply
    86,852,481.75x = 130,251,111.89 × 28,546,711.83
  4. Step 4: Simplify right side
    86,852,481.75x = 3,718,240,956,518,183
  5. Step 5: Solve for x
    x = 3,718,240,956,518,183/86,852,481.75
  6. Step 6: Final answer
    x = 42,810,992.63

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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.