Home / 165,786,629.20-248,679,943.80-117,413,688.40

Finding the Fourth Proportional to 165,786,629.20, 248,679,943.80 and 117,413,688.40

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Solution

The fourth proportional to 165,786,629.20, 248,679,943.80 and 117,413,688.40 is: 176,120,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,786,629.20 : 248,679,943.80 = 117,413,688.40 : x
  2. Step 2: Convert to fraction form
    165,786,629.20/248,679,943.80 = 117,413,688.40/x
  3. Step 3: Cross multiply
    165,786,629.20x = 248,679,943.80 × 117,413,688.40
  4. Step 4: Simplify right side
    165,786,629.20x = 29,198,429,432,662,716
  5. Step 5: Solve for x
    x = 29,198,429,432,662,716/165,786,629.20
  6. Step 6: Final answer
    x = 176,120,532.60

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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.