Home / 252,142,610.58-378,225,506.97-77,253,119.46

Finding the Fourth Proportional to 252,142,610.58, 378,225,506.97 and 77,253,119.46

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Solution

The fourth proportional to 252,142,610.58, 378,225,506.97 and 77,253,119.46 is: 115,883,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,142,610.58 : 378,225,506.97 = 77,253,119.46 : x
  2. Step 2: Convert to fraction form
    252,142,610.58/378,225,506.97 = 77,253,119.46/x
  3. Step 3: Cross multiply
    252,142,610.58x = 378,225,506.97 × 77,253,119.46
  4. Step 4: Simplify right side
    252,142,610.58x = 29,219,100,272,772,472
  5. Step 5: Solve for x
    x = 29,219,100,272,772,472/252,142,610.58
  6. Step 6: Final answer
    x = 115,883,230.55

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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.