Home / 156,901,072-235,351,606.83-57,198,191.21

Finding the Fourth Proportional to 156,901,072, 235,351,606.83 and 57,198,191.21

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Solution

The fourth proportional to 156,901,072, 235,351,606.83 and 57,198,191.21 is: 85,797,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,901,072 : 235,351,606.83 = 57,198,191.21 : x
  2. Step 2: Convert to fraction form
    156,901,072/235,351,606.83 = 57,198,191.21/x
  3. Step 3: Cross multiply
    156,901,072x = 235,351,606.83 × 57,198,191.21
  4. Step 4: Simplify right side
    156,901,072x = 13,461,686,209,043,082
  5. Step 5: Solve for x
    x = 13,461,686,209,043,082/156,901,072
  6. Step 6: Final answer
    x = 85,797,286.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.