Home / 118,950,510-178,425,519.52-67,111,580.32

Finding the Fourth Proportional to 118,950,510, 178,425,519.52 and 67,111,580.32

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Solution

The fourth proportional to 118,950,510, 178,425,519.52 and 67,111,580.32 is: 100,667,231.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,950,510 : 178,425,519.52 = 67,111,580.32 : x
  2. Step 2: Convert to fraction form
    118,950,510/178,425,519.52 = 67,111,580.32/x
  3. Step 3: Cross multiply
    118,950,510x = 178,425,519.52 × 67,111,580.32
  4. Step 4: Simplify right side
    118,950,510x = 11,974,418,584,404,208
  5. Step 5: Solve for x
    x = 11,974,418,584,404,208/118,950,510
  6. Step 6: Final answer
    x = 100,667,231.98

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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.