Home / 139,045,233.20-208,567,849.80-36,819,604.40

Finding the Fourth Proportional to 139,045,233.20, 208,567,849.80 and 36,819,604.40

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Solution

The fourth proportional to 139,045,233.20, 208,567,849.80 and 36,819,604.40 is: 55,229,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,045,233.20 : 208,567,849.80 = 36,819,604.40 : x
  2. Step 2: Convert to fraction form
    139,045,233.20/208,567,849.80 = 36,819,604.40/x
  3. Step 3: Cross multiply
    139,045,233.20x = 208,567,849.80 × 36,819,604.40
  4. Step 4: Simplify right side
    139,045,233.20x = 7,679,385,720,194,619
  5. Step 5: Solve for x
    x = 7,679,385,720,194,619/139,045,233.20
  6. Step 6: Final answer
    x = 55,229,406.60

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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.