Home / 93,100,652.31-128,469,702.20-51,851,382.87

Finding the Fourth Proportional to 93,100,652.31, 128,469,702.20 and 51,851,382.87

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Solution

The fourth proportional to 93,100,652.31, 128,469,702.20 and 51,851,382.87 is: 71,549,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,100,652.31 : 128,469,702.20 = 51,851,382.87 : x
  2. Step 2: Convert to fraction form
    93,100,652.31/128,469,702.20 = 51,851,382.87/x
  3. Step 3: Cross multiply
    93,100,652.31x = 128,469,702.20 × 51,851,382.87
  4. Step 4: Simplify right side
    93,100,652.31x = 6,661,331,715,707,824
  5. Step 5: Solve for x
    x = 6,661,331,715,707,824/93,100,652.31
  6. Step 6: Final answer
    x = 71,549,785.64

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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.