Home / 117,507,889.20-176,149,859.40-91,585,815.60

Finding the Fourth Proportional to 117,507,889.20, 176,149,859.40 and 91,585,815.60

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Solution

The fourth proportional to 117,507,889.20, 176,149,859.40 and 91,585,815.60 is: 137,291,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,507,889.20 : 176,149,859.40 = 91,585,815.60 : x
  2. Step 2: Convert to fraction form
    117,507,889.20/176,149,859.40 = 91,585,815.60/x
  3. Step 3: Cross multiply
    117,507,889.20x = 176,149,859.40 × 91,585,815.60
  4. Step 4: Simplify right side
    117,507,889.20x = 16,132,828,540,974,326
  5. Step 5: Solve for x
    x = 16,132,828,540,974,326/117,507,889.20
  6. Step 6: Final answer
    x = 137,291,450.39

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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.