Home / 139,104,003.80-208,656,005.70-48,197,379.80

Finding the Fourth Proportional to 139,104,003.80, 208,656,005.70 and 48,197,379.80

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Solution

The fourth proportional to 139,104,003.80, 208,656,005.70 and 48,197,379.80 is: 72,296,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,104,003.80 : 208,656,005.70 = 48,197,379.80 : x
  2. Step 2: Convert to fraction form
    139,104,003.80/208,656,005.70 = 48,197,379.80/x
  3. Step 3: Cross multiply
    139,104,003.80x = 208,656,005.70 × 48,197,379.80
  4. Step 4: Simplify right side
    139,104,003.80x = 10,056,672,754,273,864
  5. Step 5: Solve for x
    x = 10,056,672,754,273,864/139,104,003.80
  6. Step 6: Final answer
    x = 72,296,069.70

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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.