Home / 43,211,559.48-64,838,619.56-20,179,146.56

Finding the Fourth Proportional to 43,211,559.48, 64,838,619.56 and 20,179,146.56

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Solution

The fourth proportional to 43,211,559.48, 64,838,619.56 and 20,179,146.56 is: 30,278,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211,559.48 : 64,838,619.56 = 20,179,146.56 : x
  2. Step 2: Convert to fraction form
    43,211,559.48/64,838,619.56 = 20,179,146.56/x
  3. Step 3: Cross multiply
    43,211,559.48x = 64,838,619.56 × 20,179,146.56
  4. Step 4: Simplify right side
    43,211,559.48x = 1,308,388,006,849,322.75
  5. Step 5: Solve for x
    x = 1,308,388,006,849,322.75/43,211,559.48
  6. Step 6: Final answer
    x = 30,278,657.44

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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.