Home / 118,109,390.20-177,164,085.30-106,205,111.80

Finding the Fourth Proportional to 118,109,390.20, 177,164,085.30 and 106,205,111.80

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Solution

The fourth proportional to 118,109,390.20, 177,164,085.30 and 106,205,111.80 is: 159,307,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,109,390.20 : 177,164,085.30 = 106,205,111.80 : x
  2. Step 2: Convert to fraction form
    118,109,390.20/177,164,085.30 = 106,205,111.80/x
  3. Step 3: Cross multiply
    118,109,390.20x = 177,164,085.30 × 106,205,111.80
  4. Step 4: Simplify right side
    118,109,390.20x = 18,815,731,486,231,236
  5. Step 5: Solve for x
    x = 18,815,731,486,231,236/118,109,390.20
  6. Step 6: Final answer
    x = 159,307,667.70

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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.