Home / 56,332,906.72-84,499,357.65-30,759,965.80

Finding the Fourth Proportional to 56,332,906.72, 84,499,357.65 and 30,759,965.80

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Solution

The fourth proportional to 56,332,906.72, 84,499,357.65 and 30,759,965.80 is: 46,139,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,332,906.72 : 84,499,357.65 = 30,759,965.80 : x
  2. Step 2: Convert to fraction form
    56,332,906.72/84,499,357.65 = 30,759,965.80/x
  3. Step 3: Cross multiply
    56,332,906.72x = 84,499,357.65 × 30,759,965.80
  4. Step 4: Simplify right side
    56,332,906.72x = 2,599,197,351,435,968.50
  5. Step 5: Solve for x
    x = 2,599,197,351,435,968.50/56,332,906.72
  6. Step 6: Final answer
    x = 46,139,947.37

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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.