Home / 112,906,984.88-169,360,487.31-40,126,638.18

Finding the Fourth Proportional to 112,906,984.88, 169,360,487.31 and 40,126,638.18

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Solution

The fourth proportional to 112,906,984.88, 169,360,487.31 and 40,126,638.18 is: 60,189,960.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,906,984.88 : 169,360,487.31 = 40,126,638.18 : x
  2. Step 2: Convert to fraction form
    112,906,984.88/169,360,487.31 = 40,126,638.18/x
  3. Step 3: Cross multiply
    112,906,984.88x = 169,360,487.31 × 40,126,638.18
  4. Step 4: Simplify right side
    112,906,984.88x = 6,795,866,996,276,852
  5. Step 5: Solve for x
    x = 6,795,866,996,276,852/112,906,984.88
  6. Step 6: Final answer
    x = 60,189,960.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.