Home / 179,889,588.40-248,243,063.04-100,505,260.98

Finding the Fourth Proportional to 179,889,588.40, 248,243,063.04 and 100,505,260.98

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Solution

The fourth proportional to 179,889,588.40, 248,243,063.04 and 100,505,260.98 is: 138,694,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,889,588.40 : 248,243,063.04 = 100,505,260.98 : x
  2. Step 2: Convert to fraction form
    179,889,588.40/248,243,063.04 = 100,505,260.98/x
  3. Step 3: Cross multiply
    179,889,588.40x = 248,243,063.04 × 100,505,260.98
  4. Step 4: Simplify right side
    179,889,588.40x = 24,949,733,837,309,792
  5. Step 5: Solve for x
    x = 24,949,733,837,309,792/179,889,588.40
  6. Step 6: Final answer
    x = 138,694,707.45

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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.