Home / 108,323,145.65-149,485,941-61,914,396.03

Finding the Fourth Proportional to 108,323,145.65, 149,485,941 and 61,914,396.03

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Solution

The fourth proportional to 108,323,145.65, 149,485,941 and 61,914,396.03 is: 85,441,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,323,145.65 : 149,485,941 = 61,914,396.03 : x
  2. Step 2: Convert to fraction form
    108,323,145.65/149,485,941 = 61,914,396.03/x
  3. Step 3: Cross multiply
    108,323,145.65x = 149,485,941 × 61,914,396.03
  4. Step 4: Simplify right side
    108,323,145.65x = 9,255,331,751,991,214
  5. Step 5: Solve for x
    x = 9,255,331,751,991,214/108,323,145.65
  6. Step 6: Final answer
    x = 85,441,866.52

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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.