Home / 51,104,305.80-76,628,465.10-20,777,905.80

Finding the Fourth Proportional to 51,104,305.80, 76,628,465.10 and 20,777,905.80

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Solution

The fourth proportional to 51,104,305.80, 76,628,465.10 and 20,777,905.80 is: 31,155,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,104,305.80 : 76,628,465.10 = 20,777,905.80 : x
  2. Step 2: Convert to fraction form
    51,104,305.80/76,628,465.10 = 20,777,905.80/x
  3. Step 3: Cross multiply
    51,104,305.80x = 76,628,465.10 × 20,777,905.80
  4. Step 4: Simplify right side
    51,104,305.80x = 1,592,179,029,446,387.50
  5. Step 5: Solve for x
    x = 1,592,179,029,446,387.50/51,104,305.80
  6. Step 6: Final answer
    x = 31,155,477.11

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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.