Home / 103,993,363.74-143,660,325.60-83,057,909.82

Finding the Fourth Proportional to 103,993,363.74, 143,660,325.60 and 83,057,909.82

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Solution

The fourth proportional to 103,993,363.74, 143,660,325.60 and 83,057,909.82 is: 114,739,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,993,363.74 : 143,660,325.60 = 83,057,909.82 : x
  2. Step 2: Convert to fraction form
    103,993,363.74/143,660,325.60 = 83,057,909.82/x
  3. Step 3: Cross multiply
    103,993,363.74x = 143,660,325.60 × 83,057,909.82
  4. Step 4: Simplify right side
    103,993,363.74x = 11,932,126,368,396,636
  5. Step 5: Solve for x
    x = 11,932,126,368,396,636/103,993,363.74
  6. Step 6: Final answer
    x = 114,739,305.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.