Home / 216,022,698-298,112,232.24-116,903,450.20

Finding the Fourth Proportional to 216,022,698, 298,112,232.24 and 116,903,450.20

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Solution

The fourth proportional to 216,022,698, 298,112,232.24 and 116,903,450.20 is: 161,327,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,022,698 : 298,112,232.24 = 116,903,450.20 : x
  2. Step 2: Convert to fraction form
    216,022,698/298,112,232.24 = 116,903,450.20/x
  3. Step 3: Cross multiply
    216,022,698x = 298,112,232.24 × 116,903,450.20
  4. Step 4: Simplify right side
    216,022,698x = 34,850,348,495,679,676
  5. Step 5: Solve for x
    x = 34,850,348,495,679,676/216,022,698
  6. Step 6: Final answer
    x = 161,327,253.19

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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.