Home / 209,953,195.65-314,929,793.48-118,120,190.85

Finding the Fourth Proportional to 209,953,195.65, 314,929,793.48 and 118,120,190.85

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Solution

The fourth proportional to 209,953,195.65, 314,929,793.48 and 118,120,190.85 is: 177,180,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,195.65 : 314,929,793.48 = 118,120,190.85 : x
  2. Step 2: Convert to fraction form
    209,953,195.65/314,929,793.48 = 118,120,190.85/x
  3. Step 3: Cross multiply
    209,953,195.65x = 314,929,793.48 × 118,120,190.85
  4. Step 4: Simplify right side
    209,953,195.65x = 37,199,567,309,618,088
  5. Step 5: Solve for x
    x = 37,199,567,309,618,088/209,953,195.65
  6. Step 6: Final answer
    x = 177,180,286.28

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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.