Home / 115,893,993,309.40-173,840,989,964.10-82,226,426,512.60

Finding the Fourth Proportional to 115,893,993,309.40, 173,840,989,964.10 and 82,226,426,512.60

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Solution

The fourth proportional to 115,893,993,309.40, 173,840,989,964.10 and 82,226,426,512.60 is: 123,339,639,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,893,993,309.40 : 173,840,989,964.10 = 82,226,426,512.60 : x
  2. Step 2: Convert to fraction form
    115,893,993,309.40/173,840,989,964.10 = 82,226,426,512.60/x
  3. Step 3: Cross multiply
    115,893,993,309.40x = 173,840,989,964.10 × 82,226,426,512.60
  4. Step 4: Simplify right side
    115,893,993,309.40x = 14,294,323,386,160,703,864,832
  5. Step 5: Solve for x
    x = 14,294,323,386,160,703,864,832/115,893,993,309.40
  6. Step 6: Final answer
    x = 123,339,639,768.90

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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.