Home / 117,388,976.20-176,272,421.10-88,667,542.60

Finding the Fourth Proportional to 117,388,976.20, 176,272,421.10 and 88,667,542.60

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Solution

The fourth proportional to 117,388,976.20, 176,272,421.10 and 88,667,542.60 is: 133,144,038.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,388,976.20 : 176,272,421.10 = 88,667,542.60 : x
  2. Step 2: Convert to fraction form
    117,388,976.20/176,272,421.10 = 88,667,542.60/x
  3. Step 3: Cross multiply
    117,388,976.20x = 176,272,421.10 × 88,667,542.60
  4. Step 4: Simplify right side
    117,388,976.20x = 15,629,642,407,089,388
  5. Step 5: Solve for x
    x = 15,629,642,407,089,388/117,388,976.20
  6. Step 6: Final answer
    x = 133,144,038.84

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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.