Home / 123,671,429.80-185,507,144.70-120,837,077.80

Finding the Fourth Proportional to 123,671,429.80, 185,507,144.70 and 120,837,077.80

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Solution

The fourth proportional to 123,671,429.80, 185,507,144.70 and 120,837,077.80 is: 181,255,616.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,671,429.80 : 185,507,144.70 = 120,837,077.80 : x
  2. Step 2: Convert to fraction form
    123,671,429.80/185,507,144.70 = 120,837,077.80/x
  3. Step 3: Cross multiply
    123,671,429.80x = 185,507,144.70 × 120,837,077.80
  4. Step 4: Simplify right side
    123,671,429.80x = 22,416,141,276,569,756
  5. Step 5: Solve for x
    x = 22,416,141,276,569,756/123,671,429.80
  6. Step 6: Final answer
    x = 181,255,616.70

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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.