Home / 42,494,420.20-63,741,630.30-16,953,759.40

Finding the Fourth Proportional to 42,494,420.20, 63,741,630.30 and 16,953,759.40

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Solution

The fourth proportional to 42,494,420.20, 63,741,630.30 and 16,953,759.40 is: 25,430,639.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,494,420.20 : 63,741,630.30 = 16,953,759.40 : x
  2. Step 2: Convert to fraction form
    42,494,420.20/63,741,630.30 = 16,953,759.40/x
  3. Step 3: Cross multiply
    42,494,420.20x = 63,741,630.30 × 16,953,759.40
  4. Step 4: Simplify right side
    42,494,420.20x = 1,080,660,263,869,949.62
  5. Step 5: Solve for x
    x = 1,080,660,263,869,949.62/42,494,420.20
  6. Step 6: Final answer
    x = 25,430,639.10

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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.