Home / 51,976,539.72-78,041,453.58-28,992,380.76

Finding the Fourth Proportional to 51,976,539.72, 78,041,453.58 and 28,992,380.76

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Solution

The fourth proportional to 51,976,539.72, 78,041,453.58 and 28,992,380.76 is: 43,531,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,976,539.72 : 78,041,453.58 = 28,992,380.76 : x
  2. Step 2: Convert to fraction form
    51,976,539.72/78,041,453.58 = 28,992,380.76/x
  3. Step 3: Cross multiply
    51,976,539.72x = 78,041,453.58 × 28,992,380.76
  4. Step 4: Simplify right side
    51,976,539.72x = 2,262,607,537,255,225
  5. Step 5: Solve for x
    x = 2,262,607,537,255,225/51,976,539.72
  6. Step 6: Final answer
    x = 43,531,322.97

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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.