Home / 315,561,888.42-435,467,052.52-176,333,794.26

Finding the Fourth Proportional to 315,561,888.42, 435,467,052.52 and 176,333,794.26

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Solution

The fourth proportional to 315,561,888.42, 435,467,052.52 and 176,333,794.26 is: 243,335,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,561,888.42 : 435,467,052.52 = 176,333,794.26 : x
  2. Step 2: Convert to fraction form
    315,561,888.42/435,467,052.52 = 176,333,794.26/x
  3. Step 3: Cross multiply
    315,561,888.42x = 435,467,052.52 × 176,333,794.26
  4. Step 4: Simplify right side
    315,561,888.42x = 76,787,557,646,070,288
  5. Step 5: Solve for x
    x = 76,787,557,646,070,288/315,561,888.42
  6. Step 6: Final answer
    x = 243,335,968.20

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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.