Home / 51,558,602.85-71,149,453.11-28,353,729.87

Finding the Fourth Proportional to 51,558,602.85, 71,149,453.11 and 28,353,729.87

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Solution

The fourth proportional to 51,558,602.85, 71,149,453.11 and 28,353,729.87 is: 39,127,366.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,558,602.85 : 71,149,453.11 = 28,353,729.87 : x
  2. Step 2: Convert to fraction form
    51,558,602.85/71,149,453.11 = 28,353,729.87/x
  3. Step 3: Cross multiply
    51,558,602.85x = 71,149,453.11 × 28,353,729.87
  4. Step 4: Simplify right side
    51,558,602.85x = 2,017,352,373,879,171.50
  5. Step 5: Solve for x
    x = 2,017,352,373,879,171.50/51,558,602.85
  6. Step 6: Final answer
    x = 39,127,366.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.