Home / 117,123,922.08-161,536,767.64-102,964,834.38

Finding the Fourth Proportional to 117,123,922.08, 161,536,767.64 and 102,964,834.38

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Solution

The fourth proportional to 117,123,922.08, 161,536,767.64 and 102,964,834.38 is: 142,008,619.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,123,922.08 : 161,536,767.64 = 102,964,834.38 : x
  2. Step 2: Convert to fraction form
    117,123,922.08/161,536,767.64 = 102,964,834.38/x
  3. Step 3: Cross multiply
    117,123,922.08x = 161,536,767.64 × 102,964,834.38
  4. Step 4: Simplify right side
    117,123,922.08x = 16,632,606,525,929,300
  5. Step 5: Solve for x
    x = 16,632,606,525,929,300/117,123,922.08
  6. Step 6: Final answer
    x = 142,008,619.85

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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.