Home / 81,224,722.70-121,824,010.65-23,703,512.30

Finding the Fourth Proportional to 81,224,722.70, 121,824,010.65 and 23,703,512.30

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Solution

The fourth proportional to 81,224,722.70, 121,824,010.65 and 23,703,512.30 is: 35,551,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,224,722.70 : 121,824,010.65 = 23,703,512.30 : x
  2. Step 2: Convert to fraction form
    81,224,722.70/121,824,010.65 = 23,703,512.30/x
  3. Step 3: Cross multiply
    81,224,722.70x = 121,824,010.65 × 23,703,512.30
  4. Step 4: Simplify right side
    81,224,722.70x = 2,887,656,934,877,606
  5. Step 5: Solve for x
    x = 2,887,656,934,877,606/81,224,722.70
  6. Step 6: Final answer
    x = 35,551,453.29

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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.