Home / 64,873,644.24-89,048,751.55-57,367,004.88

Finding the Fourth Proportional to 64,873,644.24, 89,048,751.55 and 57,367,004.88

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Solution

The fourth proportional to 64,873,644.24, 89,048,751.55 and 57,367,004.88 is: 78,744,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,873,644.24 : 89,048,751.55 = 57,367,004.88 : x
  2. Step 2: Convert to fraction form
    64,873,644.24/89,048,751.55 = 57,367,004.88/x
  3. Step 3: Cross multiply
    64,873,644.24x = 89,048,751.55 × 57,367,004.88
  4. Step 4: Simplify right side
    64,873,644.24x = 5,108,460,164,726,758
  5. Step 5: Solve for x
    x = 5,108,460,164,726,758/64,873,644.24
  6. Step 6: Final answer
    x = 78,744,769.54

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.