Home / 42,629,999.70-63,944,999.55-15,714,153.30

Finding the Fourth Proportional to 42,629,999.70, 63,944,999.55 and 15,714,153.30

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Solution

The fourth proportional to 42,629,999.70, 63,944,999.55 and 15,714,153.30 is: 23,571,229.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629,999.70 : 63,944,999.55 = 15,714,153.30 : x
  2. Step 2: Convert to fraction form
    42,629,999.70/63,944,999.55 = 15,714,153.30/x
  3. Step 3: Cross multiply
    42,629,999.70x = 63,944,999.55 × 15,714,153.30
  4. Step 4: Simplify right side
    42,629,999.70x = 1,004,841,525,697,131
  5. Step 5: Solve for x
    x = 1,004,841,525,697,131/42,629,999.70
  6. Step 6: Final answer
    x = 23,571,229.95

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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.