Home / 171,192,012.72-236,245,430.52-92,875,563.72

Finding the Fourth Proportional to 171,192,012.72, 236,245,430.52 and 92,875,563.72

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Solution

The fourth proportional to 171,192,012.72, 236,245,430.52 and 92,875,563.72 is: 128,168,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,192,012.72 : 236,245,430.52 = 92,875,563.72 : x
  2. Step 2: Convert to fraction form
    171,192,012.72/236,245,430.52 = 92,875,563.72/x
  3. Step 3: Cross multiply
    171,192,012.72x = 236,245,430.52 × 92,875,563.72
  4. Step 4: Simplify right side
    171,192,012.72x = 21,941,427,535,819,092
  5. Step 5: Solve for x
    x = 21,941,427,535,819,092/171,192,012.72
  6. Step 6: Final answer
    x = 128,168,523.68

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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.