Home / 239,510,930.32-330,225,468.60-199,875,666.88

Finding the Fourth Proportional to 239,510,930.32, 330,225,468.60 and 199,875,666.88

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Solution

The fourth proportional to 239,510,930.32, 330,225,468.60 and 199,875,666.88 is: 275,578,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,510,930.32 : 330,225,468.60 = 199,875,666.88 : x
  2. Step 2: Convert to fraction form
    239,510,930.32/330,225,468.60 = 199,875,666.88/x
  3. Step 3: Cross multiply
    239,510,930.32x = 330,225,468.60 × 199,875,666.88
  4. Step 4: Simplify right side
    239,510,930.32x = 66,004,035,757,185,504
  5. Step 5: Solve for x
    x = 66,004,035,757,185,504/239,510,930.32
  6. Step 6: Final answer
    x = 275,578,386.63

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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.