Home / 165,786,807.20-248,680,210.80-117,413,866.40

Finding the Fourth Proportional to 165,786,807.20, 248,680,210.80 and 117,413,866.40

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Solution

The fourth proportional to 165,786,807.20, 248,680,210.80 and 117,413,866.40 is: 176,120,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,786,807.20 : 248,680,210.80 = 117,413,866.40 : x
  2. Step 2: Convert to fraction form
    165,786,807.20/248,680,210.80 = 117,413,866.40/x
  3. Step 3: Cross multiply
    165,786,807.20x = 248,680,210.80 × 117,413,866.40
  4. Step 4: Simplify right side
    165,786,807.20x = 29,198,505,047,195,040
  5. Step 5: Solve for x
    x = 29,198,505,047,195,040/165,786,807.20
  6. Step 6: Final answer
    x = 176,120,799.60

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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.