Home / 82,014,733.44-122,984,233.20-30,186,317.76

Finding the Fourth Proportional to 82,014,733.44, 122,984,233.20 and 30,186,317.76

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Solution

The fourth proportional to 82,014,733.44, 122,984,233.20 and 30,186,317.76 is: 45,265,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,014,733.44 : 122,984,233.20 = 30,186,317.76 : x
  2. Step 2: Convert to fraction form
    82,014,733.44/122,984,233.20 = 30,186,317.76/x
  3. Step 3: Cross multiply
    82,014,733.44x = 122,984,233.20 × 30,186,317.76
  4. Step 4: Simplify right side
    82,014,733.44x = 3,712,441,142,845,142
  5. Step 5: Solve for x
    x = 3,712,441,142,845,142/82,014,733.44
  6. Step 6: Final answer
    x = 45,265,539.34

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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.