Home / 139,973,344.80-209,592,601.20-98,810,505.60

Finding the Fourth Proportional to 139,973,344.80, 209,592,601.20 and 98,810,505.60

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Solution

The fourth proportional to 139,973,344.80, 209,592,601.20 and 98,810,505.60 is: 147,956,390.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,973,344.80 : 209,592,601.20 = 98,810,505.60 : x
  2. Step 2: Convert to fraction form
    139,973,344.80/209,592,601.20 = 98,810,505.60/x
  3. Step 3: Cross multiply
    139,973,344.80x = 209,592,601.20 × 98,810,505.60
  4. Step 4: Simplify right side
    139,973,344.80x = 20,709,950,894,591,164
  5. Step 5: Solve for x
    x = 20,709,950,894,591,164/139,973,344.80
  6. Step 6: Final answer
    x = 147,956,390.73

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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.