Home / 82,210,713.60-123,278,745.60-31,075,737.60

Finding the Fourth Proportional to 82,210,713.60, 123,278,745.60 and 31,075,737.60

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Solution

The fourth proportional to 82,210,713.60, 123,278,745.60 and 31,075,737.60 is: 46,599,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,210,713.60 : 123,278,745.60 = 31,075,737.60 : x
  2. Step 2: Convert to fraction form
    82,210,713.60/123,278,745.60 = 31,075,737.60/x
  3. Step 3: Cross multiply
    82,210,713.60x = 123,278,745.60 × 31,075,737.60
  4. Step 4: Simplify right side
    82,210,713.60x = 3,830,977,949,922,754.50
  5. Step 5: Solve for x
    x = 3,830,977,949,922,754.50/82,210,713.60
  6. Step 6: Final answer
    x = 46,599,497.59

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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.