Home / 304,480,055.76-420,185,502.92-165,252,054.48

Finding the Fourth Proportional to 304,480,055.76, 420,185,502.92 and 165,252,054.48

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Solution

The fourth proportional to 304,480,055.76, 420,185,502.92 and 165,252,054.48 is: 228,049,477.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,480,055.76 : 420,185,502.92 = 165,252,054.48 : x
  2. Step 2: Convert to fraction form
    304,480,055.76/420,185,502.92 = 165,252,054.48/x
  3. Step 3: Cross multiply
    304,480,055.76x = 420,185,502.92 × 165,252,054.48
  4. Step 4: Simplify right side
    304,480,055.76x = 69,436,517,620,242,040
  5. Step 5: Solve for x
    x = 69,436,517,620,242,040/304,480,055.76
  6. Step 6: Final answer
    x = 228,049,477.48

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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.