Home / 108,323,146.81-149,485,942.60-61,914,397.20

Finding the Fourth Proportional to 108,323,146.81, 149,485,942.60 and 61,914,397.20

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Solution

The fourth proportional to 108,323,146.81, 149,485,942.60 and 61,914,397.20 is: 85,441,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,323,146.81 : 149,485,942.60 = 61,914,397.20 : x
  2. Step 2: Convert to fraction form
    108,323,146.81/149,485,942.60 = 61,914,397.20/x
  3. Step 3: Cross multiply
    108,323,146.81x = 149,485,942.60 × 61,914,397.20
  4. Step 4: Simplify right side
    108,323,146.81x = 9,255,332,025,205,370
  5. Step 5: Solve for x
    x = 9,255,332,025,205,370/108,323,146.81
  6. Step 6: Final answer
    x = 85,441,868.13

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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.