Home / 123,090,286.20-184,652,018.10-42,336,007.80

Finding the Fourth Proportional to 123,090,286.20, 184,652,018.10 and 42,336,007.80

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Solution

The fourth proportional to 123,090,286.20, 184,652,018.10 and 42,336,007.80 is: 63,509,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,090,286.20 : 184,652,018.10 = 42,336,007.80 : x
  2. Step 2: Convert to fraction form
    123,090,286.20/184,652,018.10 = 42,336,007.80/x
  3. Step 3: Cross multiply
    123,090,286.20x = 184,652,018.10 × 42,336,007.80
  4. Step 4: Simplify right side
    123,090,286.20x = 7,817,429,278,567,340
  5. Step 5: Solve for x
    x = 7,817,429,278,567,340/123,090,286.20
  6. Step 6: Final answer
    x = 63,509,717.30

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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.