Home / 216,022,689.45-298,112,219.94-116,903,441.50

Finding the Fourth Proportional to 216,022,689.45, 298,112,219.94 and 116,903,441.50

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Solution

The fourth proportional to 216,022,689.45, 298,112,219.94 and 116,903,441.50 is: 161,327,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,022,689.45 : 298,112,219.94 = 116,903,441.50 : x
  2. Step 2: Convert to fraction form
    216,022,689.45/298,112,219.94 = 116,903,441.50/x
  3. Step 3: Cross multiply
    216,022,689.45x = 298,112,219.94 × 116,903,441.50
  4. Step 4: Simplify right side
    216,022,689.45x = 34,850,344,463,884,036
  5. Step 5: Solve for x
    x = 34,850,344,463,884,036/216,022,689.45
  6. Step 6: Final answer
    x = 161,327,240.91

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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.