Home / 80,949,798.98-111,710,722.62-43,780,079

Finding the Fourth Proportional to 80,949,798.98, 111,710,722.62 and 43,780,079

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Solution

The fourth proportional to 80,949,798.98, 111,710,722.62 and 43,780,079 is: 60,416,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,949,798.98 : 111,710,722.62 = 43,780,079 : x
  2. Step 2: Convert to fraction form
    80,949,798.98/111,710,722.62 = 43,780,079/x
  3. Step 3: Cross multiply
    80,949,798.98x = 111,710,722.62 × 43,780,079
  4. Step 4: Simplify right side
    80,949,798.98x = 4,890,704,261,450,687
  5. Step 5: Solve for x
    x = 4,890,704,261,450,687/80,949,798.98
  6. Step 6: Final answer
    x = 60,416,509.03

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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.