Home / 30,121,135.00-45,194,487.55-16,458,320.63

Finding the Fourth Proportional to 30,121,135.00, 45,194,487.55 and 16,458,320.63

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Solution

The fourth proportional to 30,121,135.00, 45,194,487.55 and 16,458,320.63 is: 24,694,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121,135.00 : 45,194,487.55 = 16,458,320.63 : x
  2. Step 2: Convert to fraction form
    30,121,135.00/45,194,487.55 = 16,458,320.63/x
  3. Step 3: Cross multiply
    30,121,135.00x = 45,194,487.55 × 16,458,320.63
  4. Step 4: Simplify right side
    30,121,135.00x = 743,825,366,878,283.62
  5. Step 5: Solve for x
    x = 743,825,366,878,283.62/30,121,135.00
  6. Step 6: Final answer
    x = 24,694,466.76

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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.