Home / 139,086,713.56-208,585,775.60-45,692,006.34

Finding the Fourth Proportional to 139,086,713.56, 208,585,775.60 and 45,692,006.34

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Solution

The fourth proportional to 139,086,713.56, 208,585,775.60 and 45,692,006.34 is: 68,523,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,086,713.56 : 208,585,775.60 = 45,692,006.34 : x
  2. Step 2: Convert to fraction form
    139,086,713.56/208,585,775.60 = 45,692,006.34/x
  3. Step 3: Cross multiply
    139,086,713.56x = 208,585,775.60 × 45,692,006.34
  4. Step 4: Simplify right side
    139,086,713.56x = 9,530,702,581,149,018
  5. Step 5: Solve for x
    x = 9,530,702,581,149,018/139,086,713.56
  6. Step 6: Final answer
    x = 68,523,458.04

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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.