Home / 120,763,811.80-181,145,717.70-101,631,935.80

Finding the Fourth Proportional to 120,763,811.80, 181,145,717.70 and 101,631,935.80

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Solution

The fourth proportional to 120,763,811.80, 181,145,717.70 and 101,631,935.80 is: 152,447,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,763,811.80 : 181,145,717.70 = 101,631,935.80 : x
  2. Step 2: Convert to fraction form
    120,763,811.80/181,145,717.70 = 101,631,935.80/x
  3. Step 3: Cross multiply
    120,763,811.80x = 181,145,717.70 × 101,631,935.80
  4. Step 4: Simplify right side
    120,763,811.80x = 18,410,189,951,731,320
  5. Step 5: Solve for x
    x = 18,410,189,951,731,320/120,763,811.80
  6. Step 6: Final answer
    x = 152,447,903.70

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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.