Home / 80,432,846.60-120,680,762.70-29,320,032.20

Finding the Fourth Proportional to 80,432,846.60, 120,680,762.70 and 29,320,032.20

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Solution

The fourth proportional to 80,432,846.60, 120,680,762.70 and 29,320,032.20 is: 43,991,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,432,846.60 : 120,680,762.70 = 29,320,032.20 : x
  2. Step 2: Convert to fraction form
    80,432,846.60/120,680,762.70 = 29,320,032.20/x
  3. Step 3: Cross multiply
    80,432,846.60x = 120,680,762.70 × 29,320,032.20
  4. Step 4: Simplify right side
    80,432,846.60x = 3,538,363,848,284,559
  5. Step 5: Solve for x
    x = 3,538,363,848,284,559/80,432,846.60
  6. Step 6: Final answer
    x = 43,991,528.31

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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.