Home / 251,405,646.51-346,743,246.28-163,328,022.64

Finding the Fourth Proportional to 251,405,646.51, 346,743,246.28 and 163,328,022.64

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Solution

The fourth proportional to 251,405,646.51, 346,743,246.28 and 163,328,022.64 is: 225,264,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,405,646.51 : 346,743,246.28 = 163,328,022.64 : x
  2. Step 2: Convert to fraction form
    251,405,646.51/346,743,246.28 = 163,328,022.64/x
  3. Step 3: Cross multiply
    251,405,646.51x = 346,743,246.28 × 163,328,022.64
  4. Step 4: Simplify right side
    251,405,646.51x = 56,632,888,778,686,928
  5. Step 5: Solve for x
    x = 56,632,888,778,686,928/251,405,646.51
  6. Step 6: Final answer
    x = 225,264,983.36

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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.