Home / 139,657,261.44-209,485,879.20-53,404,392

Finding the Fourth Proportional to 139,657,261.44, 209,485,879.20 and 53,404,392

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Solution

The fourth proportional to 139,657,261.44, 209,485,879.20 and 53,404,392 is: 80,106,583.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,657,261.44 : 209,485,879.20 = 53,404,392 : x
  2. Step 2: Convert to fraction form
    139,657,261.44/209,485,879.20 = 53,404,392/x
  3. Step 3: Cross multiply
    139,657,261.44x = 209,485,879.20 × 53,404,392
  4. Step 4: Simplify right side
    139,657,261.44x = 11,187,466,011,261,446
  5. Step 5: Solve for x
    x = 11,187,466,011,261,446/139,657,261.44
  6. Step 6: Final answer
    x = 80,106,583.04

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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.