Home / 202,789,017.04-279,848,991-109,969,501.36

Finding the Fourth Proportional to 202,789,017.04, 279,848,991 and 109,969,501.36

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Solution

The fourth proportional to 202,789,017.04, 279,848,991 and 109,969,501.36 is: 151,757,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,789,017.04 : 279,848,991 = 109,969,501.36 : x
  2. Step 2: Convert to fraction form
    202,789,017.04/279,848,991 = 109,969,501.36/x
  3. Step 3: Cross multiply
    202,789,017.04x = 279,848,991 × 109,969,501.36
  4. Step 4: Simplify right side
    202,789,017.04x = 30,774,853,996,369,128
  5. Step 5: Solve for x
    x = 30,774,853,996,369,128/202,789,017.04
  6. Step 6: Final answer
    x = 151,757,991.86

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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.