Home / 186,869,042.20-280,352,552.10-71,857,336.60

Finding the Fourth Proportional to 186,869,042.20, 280,352,552.10 and 71,857,336.60

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Solution

The fourth proportional to 186,869,042.20, 280,352,552.10 and 71,857,336.60 is: 107,804,842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,869,042.20 : 280,352,552.10 = 71,857,336.60 : x
  2. Step 2: Convert to fraction form
    186,869,042.20/280,352,552.10 = 71,857,336.60/x
  3. Step 3: Cross multiply
    186,869,042.20x = 280,352,552.10 × 71,857,336.60
  4. Step 4: Simplify right side
    186,869,042.20x = 20,145,387,702,918,736
  5. Step 5: Solve for x
    x = 20,145,387,702,918,736/186,869,042.20
  6. Step 6: Final answer
    x = 107,804,842.72

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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.