Home / 56,634,375.80-84,984,741.30-20,736,212.60

Finding the Fourth Proportional to 56,634,375.80, 84,984,741.30 and 20,736,212.60

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Solution

The fourth proportional to 56,634,375.80, 84,984,741.30 and 20,736,212.60 is: 31,116,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,634,375.80 : 84,984,741.30 = 20,736,212.60 : x
  2. Step 2: Convert to fraction form
    56,634,375.80/84,984,741.30 = 20,736,212.60/x
  3. Step 3: Cross multiply
    56,634,375.80x = 84,984,741.30 × 20,736,212.60
  4. Step 4: Simplify right side
    56,634,375.80x = 1,762,261,663,352,800.50
  5. Step 5: Solve for x
    x = 1,762,261,663,352,800.50/56,634,375.80
  6. Step 6: Final answer
    x = 31,116,466.61

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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.