Home / 147,109,829.80-203,011,564.26-85,266,040.36

Finding the Fourth Proportional to 147,109,829.80, 203,011,564.26 and 85,266,040.36

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Solution

The fourth proportional to 147,109,829.80, 203,011,564.26 and 85,266,040.36 is: 117,667,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,109,829.80 : 203,011,564.26 = 85,266,040.36 : x
  2. Step 2: Convert to fraction form
    147,109,829.80/203,011,564.26 = 85,266,040.36/x
  3. Step 3: Cross multiply
    147,109,829.80x = 203,011,564.26 × 85,266,040.36
  4. Step 4: Simplify right side
    147,109,829.80x = 17,309,992,231,739,892
  5. Step 5: Solve for x
    x = 17,309,992,231,739,892/147,109,829.80
  6. Step 6: Final answer
    x = 117,667,135.20

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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.