Home / 151,714,891.69-209,366,550.80-82,100,272.54

Finding the Fourth Proportional to 151,714,891.69, 209,366,550.80 and 82,100,272.54

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Solution

The fourth proportional to 151,714,891.69, 209,366,550.80 and 82,100,272.54 is: 113,298,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,714,891.69 : 209,366,550.80 = 82,100,272.54 : x
  2. Step 2: Convert to fraction form
    151,714,891.69/209,366,550.80 = 82,100,272.54/x
  3. Step 3: Cross multiply
    151,714,891.69x = 209,366,550.80 × 82,100,272.54
  4. Step 4: Simplify right side
    151,714,891.69x = 17,189,050,881,439,758
  5. Step 5: Solve for x
    x = 17,189,050,881,439,758/151,714,891.69
  6. Step 6: Final answer
    x = 113,298,376.25

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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.