Home / 216,022,691.51-298,112,222.79-116,903,443.56

Finding the Fourth Proportional to 216,022,691.51, 298,112,222.79 and 116,903,443.56

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Solution

The fourth proportional to 216,022,691.51, 298,112,222.79 and 116,903,443.56 is: 161,327,243.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,022,691.51 : 298,112,222.79 = 116,903,443.56 : x
  2. Step 2: Convert to fraction form
    216,022,691.51/298,112,222.79 = 116,903,443.56/x
  3. Step 3: Cross multiply
    216,022,691.51x = 298,112,222.79 × 116,903,443.56
  4. Step 4: Simplify right side
    216,022,691.51x = 34,850,345,411,476,912
  5. Step 5: Solve for x
    x = 34,850,345,411,476,912/216,022,691.51
  6. Step 6: Final answer
    x = 161,327,243.76

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1.5x scale

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.