Home / 80,538,506.04-111,140,009.67-49,228,977.84

Finding the Fourth Proportional to 80,538,506.04, 111,140,009.67 and 49,228,977.84

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Solution

The fourth proportional to 80,538,506.04, 111,140,009.67 and 49,228,977.84 is: 67,934,077.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,538,506.04 : 111,140,009.67 = 49,228,977.84 : x
  2. Step 2: Convert to fraction form
    80,538,506.04/111,140,009.67 = 49,228,977.84/x
  3. Step 3: Cross multiply
    80,538,506.04x = 111,140,009.67 × 49,228,977.84
  4. Step 4: Simplify right side
    80,538,506.04x = 5,471,309,072,379,971
  5. Step 5: Solve for x
    x = 5,471,309,072,379,971/80,538,506.04
  6. Step 6: Final answer
    x = 67,934,077.02

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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.