Home / 252,142,611.58-378,225,508.47-77,253,120.46

Finding the Fourth Proportional to 252,142,611.58, 378,225,508.47 and 77,253,120.46

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Solution

The fourth proportional to 252,142,611.58, 378,225,508.47 and 77,253,120.46 is: 115,883,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,142,611.58 : 378,225,508.47 = 77,253,120.46 : x
  2. Step 2: Convert to fraction form
    252,142,611.58/378,225,508.47 = 77,253,120.46/x
  3. Step 3: Cross multiply
    252,142,611.58x = 378,225,508.47 × 77,253,120.46
  4. Step 4: Simplify right side
    252,142,611.58x = 29,219,100,766,877,660
  5. Step 5: Solve for x
    x = 29,219,100,766,877,660/252,142,611.58
  6. Step 6: Final answer
    x = 115,883,232.05

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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.