Home / 134,498,989.88-185,608,942.50-77,994,688.04

Finding the Fourth Proportional to 134,498,989.88, 185,608,942.50 and 77,994,688.04

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Solution

The fourth proportional to 134,498,989.88, 185,608,942.50 and 77,994,688.04 is: 107,632,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,498,989.88 : 185,608,942.50 = 77,994,688.04 : x
  2. Step 2: Convert to fraction form
    134,498,989.88/185,608,942.50 = 77,994,688.04/x
  3. Step 3: Cross multiply
    134,498,989.88x = 185,608,942.50 × 77,994,688.04
  4. Step 4: Simplify right side
    134,498,989.88x = 14,476,511,567,721,798
  5. Step 5: Solve for x
    x = 14,476,511,567,721,798/134,498,989.88
  6. Step 6: Final answer
    x = 107,632,864.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.