Home / 120,964,042.40-181,446,063.60-108,492,893.60

Finding the Fourth Proportional to 120,964,042.40, 181,446,063.60 and 108,492,893.60

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Solution

The fourth proportional to 120,964,042.40, 181,446,063.60 and 108,492,893.60 is: 162,739,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964,042.40 : 181,446,063.60 = 108,492,893.60 : x
  2. Step 2: Convert to fraction form
    120,964,042.40/181,446,063.60 = 108,492,893.60/x
  3. Step 3: Cross multiply
    120,964,042.40x = 181,446,063.60 × 108,492,893.60
  4. Step 4: Simplify right side
    120,964,042.40x = 19,685,608,472,293,632
  5. Step 5: Solve for x
    x = 19,685,608,472,293,632/120,964,042.40
  6. Step 6: Final answer
    x = 162,739,340.40

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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.