Home / 209,287,194.63-288,843,830.61-120,014,074.71

Finding the Fourth Proportional to 209,287,194.63, 288,843,830.61 and 120,014,074.71

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Solution

The fourth proportional to 209,287,194.63, 288,843,830.61 and 120,014,074.71 is: 165,635,193.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,287,194.63 : 288,843,830.61 = 120,014,074.71 : x
  2. Step 2: Convert to fraction form
    209,287,194.63/288,843,830.61 = 120,014,074.71/x
  3. Step 3: Cross multiply
    209,287,194.63x = 288,843,830.61 × 120,014,074.71
  4. Step 4: Simplify right side
    209,287,194.63x = 34,665,325,066,351,124
  5. Step 5: Solve for x
    x = 34,665,325,066,351,124/209,287,194.63
  6. Step 6: Final answer
    x = 165,635,193.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.