Home / 108,165,631.69-149,275,895.29-61,106,383.54

Finding the Fourth Proportional to 108,165,631.69, 149,275,895.29 and 61,106,383.54

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Solution

The fourth proportional to 108,165,631.69, 149,275,895.29 and 61,106,383.54 is: 84,330,946.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,165,631.69 : 149,275,895.29 = 61,106,383.54 : x
  2. Step 2: Convert to fraction form
    108,165,631.69/149,275,895.29 = 61,106,383.54/x
  3. Step 3: Cross multiply
    108,165,631.69x = 149,275,895.29 × 61,106,383.54
  4. Step 4: Simplify right side
    108,165,631.69x = 9,121,710,111,245,478
  5. Step 5: Solve for x
    x = 9,121,710,111,245,478/108,165,631.69
  6. Step 6: Final answer
    x = 84,330,946.61

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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.