Home / 315,561,888.73-435,467,052.95-176,333,794.57

Finding the Fourth Proportional to 315,561,888.73, 435,467,052.95 and 176,333,794.57

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Solution

The fourth proportional to 315,561,888.73, 435,467,052.95 and 176,333,794.57 is: 243,335,968.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,561,888.73 : 435,467,052.95 = 176,333,794.57 : x
  2. Step 2: Convert to fraction form
    315,561,888.73/435,467,052.95 = 176,333,794.57/x
  3. Step 3: Cross multiply
    315,561,888.73x = 435,467,052.95 × 176,333,794.57
  4. Step 4: Simplify right side
    315,561,888.73x = 76,787,557,854,918,272
  5. Step 5: Solve for x
    x = 76,787,557,854,918,272/315,561,888.73
  6. Step 6: Final answer
    x = 243,335,968.63

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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.