Home / 141,963,080.70-213,039,099.45-80,552,120.70

Finding the Fourth Proportional to 141,963,080.70, 213,039,099.45 and 80,552,120.70

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Solution

The fourth proportional to 141,963,080.70, 213,039,099.45 and 80,552,120.70 is: 120,881,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,963,080.70 : 213,039,099.45 = 80,552,120.70 : x
  2. Step 2: Convert to fraction form
    141,963,080.70/213,039,099.45 = 80,552,120.70/x
  3. Step 3: Cross multiply
    141,963,080.70x = 213,039,099.45 × 80,552,120.70
  4. Step 4: Simplify right side
    141,963,080.70x = 17,160,751,252,715,704
  5. Step 5: Solve for x
    x = 17,160,751,252,715,704/141,963,080.70
  6. Step 6: Final answer
    x = 120,881,789.60

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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.