Home / 239,510,929.32-330,225,467.22-199,875,665.88

Finding the Fourth Proportional to 239,510,929.32, 330,225,467.22 and 199,875,665.88

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Solution

The fourth proportional to 239,510,929.32, 330,225,467.22 and 199,875,665.88 is: 275,578,385.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,510,929.32 : 330,225,467.22 = 199,875,665.88 : x
  2. Step 2: Convert to fraction form
    239,510,929.32/330,225,467.22 = 199,875,665.88/x
  3. Step 3: Cross multiply
    239,510,929.32x = 330,225,467.22 × 199,875,665.88
  4. Step 4: Simplify right side
    239,510,929.32x = 66,004,035,151,131,616
  5. Step 5: Solve for x
    x = 66,004,035,151,131,616/239,510,929.32
  6. Step 6: Final answer
    x = 275,578,385.25

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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.