Home / 191,555,896.80-287,333,845.20-114,965,407.20

Finding the Fourth Proportional to 191,555,896.80, 287,333,845.20 and 114,965,407.20

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Solution

The fourth proportional to 191,555,896.80, 287,333,845.20 and 114,965,407.20 is: 172,448,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,555,896.80 : 287,333,845.20 = 114,965,407.20 : x
  2. Step 2: Convert to fraction form
    191,555,896.80/287,333,845.20 = 114,965,407.20/x
  3. Step 3: Cross multiply
    191,555,896.80x = 287,333,845.20 × 114,965,407.20
  4. Step 4: Simplify right side
    191,555,896.80x = 33,033,452,515,759,764
  5. Step 5: Solve for x
    x = 33,033,452,515,759,764/191,555,896.80
  6. Step 6: Final answer
    x = 172,448,110.80

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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.