Home / 210,777,883.38-290,867,231.76-116,696,223.36

Finding the Fourth Proportional to 210,777,883.38, 290,867,231.76 and 116,696,223.36

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Solution

The fourth proportional to 210,777,883.38, 290,867,231.76 and 116,696,223.36 is: 161,037,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,777,883.38 : 290,867,231.76 = 116,696,223.36 : x
  2. Step 2: Convert to fraction form
    210,777,883.38/290,867,231.76 = 116,696,223.36/x
  3. Step 3: Cross multiply
    210,777,883.38x = 290,867,231.76 × 116,696,223.36
  4. Step 4: Simplify right side
    210,777,883.38x = 33,943,107,445,569,844
  5. Step 5: Solve for x
    x = 33,943,107,445,569,844/210,777,883.38
  6. Step 6: Final answer
    x = 161,037,329.44

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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.