Home / 43,685,998.20-65,528,997.30-42,835,692.60

Finding the Fourth Proportional to 43,685,998.20, 65,528,997.30 and 42,835,692.60

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Solution

The fourth proportional to 43,685,998.20, 65,528,997.30 and 42,835,692.60 is: 64,253,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,685,998.20 : 65,528,997.30 = 42,835,692.60 : x
  2. Step 2: Convert to fraction form
    43,685,998.20/65,528,997.30 = 42,835,692.60/x
  3. Step 3: Cross multiply
    43,685,998.20x = 65,528,997.30 × 42,835,692.60
  4. Step 4: Simplify right side
    43,685,998.20x = 2,806,979,984,729,030
  5. Step 5: Solve for x
    x = 2,806,979,984,729,030/43,685,998.20
  6. Step 6: Final answer
    x = 64,253,538.90

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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.