Home / 117,039,080.94-175,431,905.42-76,127,756.46

Finding the Fourth Proportional to 117,039,080.94, 175,431,905.42 and 76,127,756.46

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Solution

The fourth proportional to 117,039,080.94, 175,431,905.42 and 76,127,756.46 is: 114,109,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,039,080.94 : 175,431,905.42 = 76,127,756.46 : x
  2. Step 2: Convert to fraction form
    117,039,080.94/175,431,905.42 = 76,127,756.46/x
  3. Step 3: Cross multiply
    117,039,080.94x = 175,431,905.42 × 76,127,756.46
  4. Step 4: Simplify right side
    117,039,080.94x = 13,355,237,370,746,874
  5. Step 5: Solve for x
    x = 13,355,237,370,746,874/117,039,080.94
  6. Step 6: Final answer
    x = 114,109,212.61

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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.