Home / 118,783,051.66-177,944,754.88-66,809,740.92

Finding the Fourth Proportional to 118,783,051.66, 177,944,754.88 and 66,809,740.92

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Solution

The fourth proportional to 118,783,051.66, 177,944,754.88 and 66,809,740.92 is: 100,085,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,783,051.66 : 177,944,754.88 = 66,809,740.92 : x
  2. Step 2: Convert to fraction form
    118,783,051.66/177,944,754.88 = 66,809,740.92/x
  3. Step 3: Cross multiply
    118,783,051.66x = 177,944,754.88 × 66,809,740.92
  4. Step 4: Simplify right side
    118,783,051.66x = 11,888,442,972,148,468
  5. Step 5: Solve for x
    x = 11,888,442,972,148,468/118,783,051.66
  6. Step 6: Final answer
    x = 100,085,347.24

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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.