Home / 43,133,089.60-64,699,634.40-20,458,273.60

Finding the Fourth Proportional to 43,133,089.60, 64,699,634.40 and 20,458,273.60

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Solution

The fourth proportional to 43,133,089.60, 64,699,634.40 and 20,458,273.60 is: 30,687,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,133,089.60 : 64,699,634.40 = 20,458,273.60 : x
  2. Step 2: Convert to fraction form
    43,133,089.60/64,699,634.40 = 20,458,273.60/x
  3. Step 3: Cross multiply
    43,133,089.60x = 64,699,634.40 × 20,458,273.60
  4. Step 4: Simplify right side
    43,133,089.60x = 1,323,642,822,375,172
  5. Step 5: Solve for x
    x = 1,323,642,822,375,172/43,133,089.60
  6. Step 6: Final answer
    x = 30,687,410.40

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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.