Home / 55,451,431.88-76,517,840.42-30,671,085.32

Finding the Fourth Proportional to 55,451,431.88, 76,517,840.42 and 30,671,085.32

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Solution

The fourth proportional to 55,451,431.88, 76,517,840.42 and 30,671,085.32 is: 42,323,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,451,431.88 : 76,517,840.42 = 30,671,085.32 : x
  2. Step 2: Convert to fraction form
    55,451,431.88/76,517,840.42 = 30,671,085.32/x
  3. Step 3: Cross multiply
    55,451,431.88x = 76,517,840.42 × 30,671,085.32
  4. Step 4: Simplify right side
    55,451,431.88x = 2,346,885,212,023,964.50
  5. Step 5: Solve for x
    x = 2,346,885,212,023,964.50/55,451,431.88
  6. Step 6: Final answer
    x = 42,323,257.17

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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.