Home / 108,165,629.04-149,275,891.63-61,106,380.89

Finding the Fourth Proportional to 108,165,629.04, 149,275,891.63 and 61,106,380.89

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Solution

The fourth proportional to 108,165,629.04, 149,275,891.63 and 61,106,380.89 is: 84,330,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,165,629.04 : 149,275,891.63 = 61,106,380.89 : x
  2. Step 2: Convert to fraction form
    108,165,629.04/149,275,891.63 = 61,106,380.89/x
  3. Step 3: Cross multiply
    108,165,629.04x = 149,275,891.63 × 61,106,380.89
  4. Step 4: Simplify right side
    108,165,629.04x = 9,121,709,491,637,142
  5. Step 5: Solve for x
    x = 9,121,709,491,637,142/108,165,629.04
  6. Step 6: Final answer
    x = 84,330,942.95

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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.