Home / 55,519,462-76,619,252.16-30,739,649.44

Finding the Fourth Proportional to 55,519,462, 76,619,252.16 and 30,739,649.44

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Solution

The fourth proportional to 55,519,462, 76,619,252.16 and 30,739,649.44 is: 42,422,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519,462 : 76,619,252.16 = 30,739,649.44 : x
  2. Step 2: Convert to fraction form
    55,519,462/76,619,252.16 = 30,739,649.44/x
  3. Step 3: Cross multiply
    55,519,462x = 76,619,252.16 × 30,739,649.44
  4. Step 4: Simplify right side
    55,519,462x = 2,355,248,951,753,363
  5. Step 5: Solve for x
    x = 2,355,248,951,753,363/55,519,462
  6. Step 6: Final answer
    x = 42,422,042.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.