Home / 248,809,609.40-372,940,698.90-87,168,342.20

Finding the Fourth Proportional to 248,809,609.40, 372,940,698.90 and 87,168,342.20

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Solution

The fourth proportional to 248,809,609.40, 372,940,698.90 and 87,168,342.20 is: 130,656,619.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,809,609.40 : 372,940,698.90 = 87,168,342.20 : x
  2. Step 2: Convert to fraction form
    248,809,609.40/372,940,698.90 = 87,168,342.20/x
  3. Step 3: Cross multiply
    248,809,609.40x = 372,940,698.90 × 87,168,342.20
  4. Step 4: Simplify right side
    248,809,609.40x = 32,508,622,462,022,364
  5. Step 5: Solve for x
    x = 32,508,622,462,022,364/248,809,609.40
  6. Step 6: Final answer
    x = 130,656,619.49

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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.