Home / 43,211,558.48-64,838,618.06-20,179,145.56

Finding the Fourth Proportional to 43,211,558.48, 64,838,618.06 and 20,179,145.56

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Solution

The fourth proportional to 43,211,558.48, 64,838,618.06 and 20,179,145.56 is: 30,278,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211,558.48 : 64,838,618.06 = 20,179,145.56 : x
  2. Step 2: Convert to fraction form
    43,211,558.48/64,838,618.06 = 20,179,145.56/x
  3. Step 3: Cross multiply
    43,211,558.48x = 64,838,618.06 × 20,179,145.56
  4. Step 4: Simplify right side
    43,211,558.48x = 1,308,387,911,641,089
  5. Step 5: Solve for x
    x = 1,308,387,911,641,089/43,211,558.48
  6. Step 6: Final answer
    x = 30,278,655.94

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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.