Home / 82,795,410.40-124,193,115.60-39,642,401.20

Finding the Fourth Proportional to 82,795,410.40, 124,193,115.60 and 39,642,401.20

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Solution

The fourth proportional to 82,795,410.40, 124,193,115.60 and 39,642,401.20 is: 59,463,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,795,410.40 : 124,193,115.60 = 39,642,401.20 : x
  2. Step 2: Convert to fraction form
    82,795,410.40/124,193,115.60 = 39,642,401.20/x
  3. Step 3: Cross multiply
    82,795,410.40x = 124,193,115.60 × 39,642,401.20
  4. Step 4: Simplify right side
    82,795,410.40x = 4,923,313,314,893,179
  5. Step 5: Solve for x
    x = 4,923,313,314,893,179/82,795,410.40
  6. Step 6: Final answer
    x = 59,463,601.80

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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.