Home / 72,414,137.80-108,621,206.70-58,065,230.80

Finding the Fourth Proportional to 72,414,137.80, 108,621,206.70 and 58,065,230.80

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Solution

The fourth proportional to 72,414,137.80, 108,621,206.70 and 58,065,230.80 is: 87,097,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,414,137.80 : 108,621,206.70 = 58,065,230.80 : x
  2. Step 2: Convert to fraction form
    72,414,137.80/108,621,206.70 = 58,065,230.80/x
  3. Step 3: Cross multiply
    72,414,137.80x = 108,621,206.70 × 58,065,230.80
  4. Step 4: Simplify right side
    72,414,137.80x = 6,307,115,436,810,006
  5. Step 5: Solve for x
    x = 6,307,115,436,810,006/72,414,137.80
  6. Step 6: Final answer
    x = 87,097,846.20

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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.