Home / 82,541,095.80-123,811,643.70-74,604,910.20

Finding the Fourth Proportional to 82,541,095.80, 123,811,643.70 and 74,604,910.20

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Solution

The fourth proportional to 82,541,095.80, 123,811,643.70 and 74,604,910.20 is: 111,907,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,541,095.80 : 123,811,643.70 = 74,604,910.20 : x
  2. Step 2: Convert to fraction form
    82,541,095.80/123,811,643.70 = 74,604,910.20/x
  3. Step 3: Cross multiply
    82,541,095.80x = 123,811,643.70 × 74,604,910.20
  4. Step 4: Simplify right side
    82,541,095.80x = 9,236,956,559,952,896
  5. Step 5: Solve for x
    x = 9,236,956,559,952,896/82,541,095.80
  6. Step 6: Final answer
    x = 111,907,365.30

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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.