Home / 86,254,929.96-129,422,797.98-42,511,842.48

Finding the Fourth Proportional to 86,254,929.96, 129,422,797.98 and 42,511,842.48

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Solution

The fourth proportional to 86,254,929.96, 129,422,797.98 and 42,511,842.48 is: 63,787,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,254,929.96 : 129,422,797.98 = 42,511,842.48 : x
  2. Step 2: Convert to fraction form
    86,254,929.96/129,422,797.98 = 42,511,842.48/x
  3. Step 3: Cross multiply
    86,254,929.96x = 129,422,797.98 × 42,511,842.48
  4. Step 4: Simplify right side
    86,254,929.96x = 5,502,001,601,046,622
  5. Step 5: Solve for x
    x = 5,502,001,601,046,622/86,254,929.96
  6. Step 6: Final answer
    x = 63,787,676.87

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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.