Home / 76,078,809-104,988,756.42-43,484,460.84

Finding the Fourth Proportional to 76,078,809, 104,988,756.42 and 43,484,460.84

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Solution

The fourth proportional to 76,078,809, 104,988,756.42 and 43,484,460.84 is: 60,008,555.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,078,809 : 104,988,756.42 = 43,484,460.84 : x
  2. Step 2: Convert to fraction form
    76,078,809/104,988,756.42 = 43,484,460.84/x
  3. Step 3: Cross multiply
    76,078,809x = 104,988,756.42 × 43,484,460.84
  4. Step 4: Simplify right side
    76,078,809x = 4,565,379,467,185,789
  5. Step 5: Solve for x
    x = 4,565,379,467,185,789/76,078,809
  6. Step 6: Final answer
    x = 60,008,555.96

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