Home / 120,300,663.26-180,422,101.88-55,542,248.26

Finding the Fourth Proportional to 120,300,663.26, 180,422,101.88 and 55,542,248.26

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Solution

The fourth proportional to 120,300,663.26, 180,422,101.88 and 55,542,248.26 is: 83,300,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,300,663.26 : 180,422,101.88 = 55,542,248.26 : x
  2. Step 2: Convert to fraction form
    120,300,663.26/180,422,101.88 = 55,542,248.26/x
  3. Step 3: Cross multiply
    120,300,663.26x = 180,422,101.88 × 55,542,248.26
  4. Step 4: Simplify right side
    120,300,663.26x = 10,021,049,174,209,972
  5. Step 5: Solve for x
    x = 10,021,049,174,209,972/120,300,663.26
  6. Step 6: Final answer
    x = 83,300,032.62

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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.