Home / 108,115,127.16-149,201,284.68-61,704,450.24

Finding the Fourth Proportional to 108,115,127.16, 149,201,284.68 and 61,704,450.24

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Solution

The fourth proportional to 108,115,127.16, 149,201,284.68 and 61,704,450.24 is: 85,153,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,115,127.16 : 149,201,284.68 = 61,704,450.24 : x
  2. Step 2: Convert to fraction form
    108,115,127.16/149,201,284.68 = 61,704,450.24/x
  3. Step 3: Cross multiply
    108,115,127.16x = 149,201,284.68 × 61,704,450.24
  4. Step 4: Simplify right side
    108,115,127.16x = 9,206,383,246,281,136
  5. Step 5: Solve for x
    x = 9,206,383,246,281,136/108,115,127.16
  6. Step 6: Final answer
    x = 85,153,516.33

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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.