Home / 108,323,145.33-149,485,940.55-61,914,395.70

Finding the Fourth Proportional to 108,323,145.33, 149,485,940.55 and 61,914,395.70

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Solution

The fourth proportional to 108,323,145.33, 149,485,940.55 and 61,914,395.70 is: 85,441,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,323,145.33 : 149,485,940.55 = 61,914,395.70 : x
  2. Step 2: Convert to fraction form
    108,323,145.33/149,485,940.55 = 61,914,395.70/x
  3. Step 3: Cross multiply
    108,323,145.33x = 149,485,940.55 × 61,914,395.70
  4. Step 4: Simplify right side
    108,323,145.33x = 9,255,331,674,799,376
  5. Step 5: Solve for x
    x = 9,255,331,674,799,376/108,323,145.33
  6. Step 6: Final answer
    x = 85,441,866.06

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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.