Home / 118,950,503.12-178,425,508.80-67,111,573.44

Finding the Fourth Proportional to 118,950,503.12, 178,425,508.80 and 67,111,573.44

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Solution

The fourth proportional to 118,950,503.12, 178,425,508.80 and 67,111,573.44 is: 100,667,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,950,503.12 : 178,425,508.80 = 67,111,573.44 : x
  2. Step 2: Convert to fraction form
    118,950,503.12/178,425,508.80 = 67,111,573.44/x
  3. Step 3: Cross multiply
    118,950,503.12x = 178,425,508.80 × 67,111,573.44
  4. Step 4: Simplify right side
    118,950,503.12x = 11,974,416,637,400,566
  5. Step 5: Solve for x
    x = 11,974,416,637,400,566/118,950,503.12
  6. Step 6: Final answer
    x = 100,667,221.44

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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.