Home / 82,947,744.80-124,421,617.20-47,115,936.80

Finding the Fourth Proportional to 82,947,744.80, 124,421,617.20 and 47,115,936.80

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Solution

The fourth proportional to 82,947,744.80, 124,421,617.20 and 47,115,936.80 is: 70,673,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947,744.80 : 124,421,617.20 = 47,115,936.80 : x
  2. Step 2: Convert to fraction form
    82,947,744.80/124,421,617.20 = 47,115,936.80/x
  3. Step 3: Cross multiply
    82,947,744.80x = 124,421,617.20 × 47,115,936.80
  4. Step 4: Simplify right side
    82,947,744.80x = 5,862,241,052,548,993
  5. Step 5: Solve for x
    x = 5,862,241,052,548,993/82,947,744.80
  6. Step 6: Final answer
    x = 70,673,905.20

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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.