Home / 209,548,064.56-287,082,154.96-201,693,663.28

Finding the Fourth Proportional to 209,548,064.56, 287,082,154.96 and 201,693,663.28

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Solution

The fourth proportional to 209,548,064.56, 287,082,154.96 and 201,693,663.28 is: 276,321,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,548,064.56 : 287,082,154.96 = 201,693,663.28 : x
  2. Step 2: Convert to fraction form
    209,548,064.56/287,082,154.96 = 201,693,663.28/x
  3. Step 3: Cross multiply
    209,548,064.56x = 287,082,154.96 × 201,693,663.28
  4. Step 4: Simplify right side
    209,548,064.56x = 57,902,651,496,199,016
  5. Step 5: Solve for x
    x = 57,902,651,496,199,016/209,548,064.56
  6. Step 6: Final answer
    x = 276,321,576.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.