Home / 108,252,634.68-149,244,113.79-85,999,457.16

Finding the Fourth Proportional to 108,252,634.68, 149,244,113.79 and 85,999,457.16

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Solution

The fourth proportional to 108,252,634.68, 149,244,113.79 and 85,999,457.16 is: 118,564,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,252,634.68 : 149,244,113.79 = 85,999,457.16 : x
  2. Step 2: Convert to fraction form
    108,252,634.68/149,244,113.79 = 85,999,457.16/x
  3. Step 3: Cross multiply
    108,252,634.68x = 149,244,113.79 × 85,999,457.16
  4. Step 4: Simplify right side
    108,252,634.68x = 12,834,912,770,265,268
  5. Step 5: Solve for x
    x = 12,834,912,770,265,268/108,252,634.68
  6. Step 6: Final answer
    x = 118,564,437.79

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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.