Home / 108,323,143.82-149,485,938.47-61,914,394.19

Finding the Fourth Proportional to 108,323,143.82, 149,485,938.47 and 61,914,394.19

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Solution

The fourth proportional to 108,323,143.82, 149,485,938.47 and 61,914,394.19 is: 85,441,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,323,143.82 : 149,485,938.47 = 61,914,394.19 : x
  2. Step 2: Convert to fraction form
    108,323,143.82/149,485,938.47 = 61,914,394.19/x
  3. Step 3: Cross multiply
    108,323,143.82x = 149,485,938.47 × 61,914,394.19
  4. Step 4: Simplify right side
    108,323,143.82x = 9,255,331,319,236,664
  5. Step 5: Solve for x
    x = 9,255,331,319,236,664/108,323,143.82
  6. Step 6: Final answer
    x = 85,441,863.98

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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.