Home / 82,355,140.80-123,497,281.80-41,398,754.40

Finding the Fourth Proportional to 82,355,140.80, 123,497,281.80 and 41,398,754.40

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Solution

The fourth proportional to 82,355,140.80, 123,497,281.80 and 41,398,754.40 is: 62,080,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,355,140.80 : 123,497,281.80 = 41,398,754.40 : x
  2. Step 2: Convert to fraction form
    82,355,140.80/123,497,281.80 = 41,398,754.40/x
  3. Step 3: Cross multiply
    82,355,140.80x = 123,497,281.80 × 41,398,754.40
  4. Step 4: Simplify right side
    82,355,140.80x = 5,112,633,638,305,790
  5. Step 5: Solve for x
    x = 5,112,633,638,305,790/82,355,140.80
  6. Step 6: Final answer
    x = 62,080,321.75

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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.