Home / 117,338,467.40-176,175,662.70-66,320,131.40

Finding the Fourth Proportional to 117,338,467.40, 176,175,662.70 and 66,320,131.40

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Solution

The fourth proportional to 117,338,467.40, 176,175,662.70 and 66,320,131.40 is: 99,575,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,338,467.40 : 176,175,662.70 = 66,320,131.40 : x
  2. Step 2: Convert to fraction form
    117,338,467.40/176,175,662.70 = 66,320,131.40/x
  3. Step 3: Cross multiply
    117,338,467.40x = 176,175,662.70 × 66,320,131.40
  4. Step 4: Simplify right side
    117,338,467.40x = 11,683,993,099,746,078
  5. Step 5: Solve for x
    x = 11,683,993,099,746,078/117,338,467.40
  6. Step 6: Final answer
    x = 99,575,129.61

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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.