Home / 53,069,367.72-79,603,790.22-20,724,555.72

Finding the Fourth Proportional to 53,069,367.72, 79,603,790.22 and 20,724,555.72

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Solution

The fourth proportional to 53,069,367.72, 79,603,790.22 and 20,724,555.72 is: 31,086,731.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,069,367.72 : 79,603,790.22 = 20,724,555.72 : x
  2. Step 2: Convert to fraction form
    53,069,367.72/79,603,790.22 = 20,724,555.72/x
  3. Step 3: Cross multiply
    53,069,367.72x = 79,603,790.22 × 20,724,555.72
  4. Step 4: Simplify right side
    53,069,367.72x = 1,649,753,185,937,581
  5. Step 5: Solve for x
    x = 1,649,753,185,937,581/53,069,367.72
  6. Step 6: Final answer
    x = 31,086,731.51

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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.