Home / 30,129,367.56-41,578,231.86-16,377,513.48

Finding the Fourth Proportional to 30,129,367.56, 41,578,231.86 and 16,377,513.48

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Solution

The fourth proportional to 30,129,367.56, 41,578,231.86 and 16,377,513.48 is: 22,600,808.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,129,367.56 : 41,578,231.86 = 16,377,513.48 : x
  2. Step 2: Convert to fraction form
    30,129,367.56/41,578,231.86 = 16,377,513.48/x
  3. Step 3: Cross multiply
    30,129,367.56x = 41,578,231.86 × 16,377,513.48
  4. Step 4: Simplify right side
    30,129,367.56x = 680,948,052,761,715.50
  5. Step 5: Solve for x
    x = 680,948,052,761,715.50/30,129,367.56
  6. Step 6: Final answer
    x = 22,600,808.05

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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.