Home / 118,783,057.17-177,944,763.13-66,809,746.42

Finding the Fourth Proportional to 118,783,057.17, 177,944,763.13 and 66,809,746.42

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Solution

The fourth proportional to 118,783,057.17, 177,944,763.13 and 66,809,746.42 is: 100,085,355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,783,057.17 : 177,944,763.13 = 66,809,746.42 : x
  2. Step 2: Convert to fraction form
    118,783,057.17/177,944,763.13 = 66,809,746.42/x
  3. Step 3: Cross multiply
    118,783,057.17x = 177,944,763.13 × 66,809,746.42
  4. Step 4: Simplify right side
    118,783,057.17x = 11,888,444,501,482,266
  5. Step 5: Solve for x
    x = 11,888,444,501,482,266/118,783,057.17
  6. Step 6: Final answer
    x = 100,085,355.48

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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.