Home / 408,093,307.60-612,304,006.20-165,775,176.40

Finding the Fourth Proportional to 408,093,307.60, 612,304,006.20 and 165,775,176.40

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Solution

The fourth proportional to 408,093,307.60, 612,304,006.20 and 165,775,176.40 is: 248,729,402.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,093,307.60 : 612,304,006.20 = 165,775,176.40 : x
  2. Step 2: Convert to fraction form
    408,093,307.60/612,304,006.20 = 165,775,176.40/x
  3. Step 3: Cross multiply
    408,093,307.60x = 612,304,006.20 × 165,775,176.40
  4. Step 4: Simplify right side
    408,093,307.60x = 101,504,804,638,231,712
  5. Step 5: Solve for x
    x = 101,504,804,638,231,712/408,093,307.60
  6. Step 6: Final answer
    x = 248,729,402.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.