Home / 139,086,711.55-208,585,772.61-45,692,004.34

Finding the Fourth Proportional to 139,086,711.55, 208,585,772.61 and 45,692,004.34

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Solution

The fourth proportional to 139,086,711.55, 208,585,772.61 and 45,692,004.34 is: 68,523,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,086,711.55 : 208,585,772.61 = 45,692,004.34 : x
  2. Step 2: Convert to fraction form
    139,086,711.55/208,585,772.61 = 45,692,004.34/x
  3. Step 3: Cross multiply
    139,086,711.55x = 208,585,772.61 × 45,692,004.34
  4. Step 4: Simplify right side
    139,086,711.55x = 9,530,702,027,358,374
  5. Step 5: Solve for x
    x = 9,530,702,027,358,374/139,086,711.55
  6. Step 6: Final answer
    x = 68,523,455.05

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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.