Home / 76,078,808.50-104,988,755.74-43,484,460.34

Finding the Fourth Proportional to 76,078,808.50, 104,988,755.74 and 43,484,460.34

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Solution

The fourth proportional to 76,078,808.50, 104,988,755.74 and 43,484,460.34 is: 60,008,555.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,078,808.50 : 104,988,755.74 = 43,484,460.34 : x
  2. Step 2: Convert to fraction form
    76,078,808.50/104,988,755.74 = 43,484,460.34/x
  3. Step 3: Cross multiply
    76,078,808.50x = 104,988,755.74 × 43,484,460.34
  4. Step 4: Simplify right side
    76,078,808.50x = 4,565,379,385,121,977
  5. Step 5: Solve for x
    x = 4,565,379,385,121,977/76,078,808.50
  6. Step 6: Final answer
    x = 60,008,555.27

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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.