Home / 165,786,627.20-248,679,940.80-117,413,686.40

Finding the Fourth Proportional to 165,786,627.20, 248,679,940.80 and 117,413,686.40

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Solution

The fourth proportional to 165,786,627.20, 248,679,940.80 and 117,413,686.40 is: 176,120,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,786,627.20 : 248,679,940.80 = 117,413,686.40 : x
  2. Step 2: Convert to fraction form
    165,786,627.20/248,679,940.80 = 117,413,686.40/x
  3. Step 3: Cross multiply
    165,786,627.20x = 248,679,940.80 × 117,413,686.40
  4. Step 4: Simplify right side
    165,786,627.20x = 29,198,428,583,061,768
  5. Step 5: Solve for x
    x = 29,198,428,583,061,768/165,786,627.20
  6. Step 6: Final answer
    x = 176,120,529.60

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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.