Home / 53,149,610.76-79,707,182.37-20,358,434.77

Finding the Fourth Proportional to 53,149,610.76, 79,707,182.37 and 20,358,434.77

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Solution

The fourth proportional to 53,149,610.76, 79,707,182.37 and 20,358,434.77 is: 30,531,050.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,149,610.76 : 79,707,182.37 = 20,358,434.77 : x
  2. Step 2: Convert to fraction form
    53,149,610.76/79,707,182.37 = 20,358,434.77/x
  3. Step 3: Cross multiply
    53,149,610.76x = 79,707,182.37 × 20,358,434.77
  4. Step 4: Simplify right side
    53,149,610.76x = 1,622,713,472,819,043
  5. Step 5: Solve for x
    x = 1,622,713,472,819,043/53,149,610.76
  6. Step 6: Final answer
    x = 30,531,050.93

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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.