Home / 162,115,912.56-243,188,817.85-52,941,655.80

Finding the Fourth Proportional to 162,115,912.56, 243,188,817.85 and 52,941,655.80

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Solution

The fourth proportional to 162,115,912.56, 243,188,817.85 and 52,941,655.80 is: 79,417,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,115,912.56 : 243,188,817.85 = 52,941,655.80 : x
  2. Step 2: Convert to fraction form
    162,115,912.56/243,188,817.85 = 52,941,655.80/x
  3. Step 3: Cross multiply
    162,115,912.56x = 243,188,817.85 × 52,941,655.80
  4. Step 4: Simplify right side
    162,115,912.56x = 12,874,818,689,089,772
  5. Step 5: Solve for x
    x = 12,874,818,689,089,772/162,115,912.56
  6. Step 6: Final answer
    x = 79,417,365.55

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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.