Home / 139,191,494.15-208,708,542.17-45,793,191.44

Finding the Fourth Proportional to 139,191,494.15, 208,708,542.17 and 45,793,191.44

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Solution

The fourth proportional to 139,191,494.15, 208,708,542.17 and 45,793,191.44 is: 68,663,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,191,494.15 : 208,708,542.17 = 45,793,191.44 : x
  2. Step 2: Convert to fraction form
    139,191,494.15/208,708,542.17 = 45,793,191.44/x
  3. Step 3: Cross multiply
    139,191,494.15x = 208,708,542.17 × 45,793,191.44
  4. Step 4: Simplify right side
    139,191,494.15x = 9,557,430,225,481,614
  5. Step 5: Solve for x
    x = 9,557,430,225,481,614/139,191,494.15
  6. Step 6: Final answer
    x = 68,663,895.62

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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.