Home / 43,133,086.60-64,699,629.90-20,458,270.60

Finding the Fourth Proportional to 43,133,086.60, 64,699,629.90 and 20,458,270.60

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Solution

The fourth proportional to 43,133,086.60, 64,699,629.90 and 20,458,270.60 is: 30,687,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,133,086.60 : 64,699,629.90 = 20,458,270.60 : x
  2. Step 2: Convert to fraction form
    43,133,086.60/64,699,629.90 = 20,458,270.60/x
  3. Step 3: Cross multiply
    43,133,086.60x = 64,699,629.90 × 20,458,270.60
  4. Step 4: Simplify right side
    43,133,086.60x = 1,323,642,536,214,051
  5. Step 5: Solve for x
    x = 1,323,642,536,214,051/43,133,086.60
  6. Step 6: Final answer
    x = 30,687,405.90

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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.