Home / 82,481,772.95-123,830,788.31-55,309,651.32

Finding the Fourth Proportional to 82,481,772.95, 123,830,788.31 and 55,309,651.32

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Solution

The fourth proportional to 82,481,772.95, 123,830,788.31 and 55,309,651.32 is: 83,036,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,481,772.95 : 123,830,788.31 = 55,309,651.32 : x
  2. Step 2: Convert to fraction form
    82,481,772.95/123,830,788.31 = 55,309,651.32/x
  3. Step 3: Cross multiply
    82,481,772.95x = 123,830,788.31 × 55,309,651.32
  4. Step 4: Simplify right side
    82,481,772.95x = 6,849,037,724,106,832
  5. Step 5: Solve for x
    x = 6,849,037,724,106,832/82,481,772.95
  6. Step 6: Final answer
    x = 83,036,984.77

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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.