Home / 30,553,193.78-42,162,564.44-16,802,157.90

Finding the Fourth Proportional to 30,553,193.78, 42,162,564.44 and 16,802,157.90

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Solution

The fourth proportional to 30,553,193.78, 42,162,564.44 and 16,802,157.90 is: 23,186,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553,193.78 : 42,162,564.44 = 16,802,157.90 : x
  2. Step 2: Convert to fraction form
    30,553,193.78/42,162,564.44 = 16,802,157.90/x
  3. Step 3: Cross multiply
    30,553,193.78x = 42,162,564.44 × 16,802,157.90
  4. Step 4: Simplify right side
    30,553,193.78x = 708,422,065,231,810.50
  5. Step 5: Solve for x
    x = 708,422,065,231,810.50/30,553,193.78
  6. Step 6: Final answer
    x = 23,186,514.33

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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.