Home / 223,984,634.40-309,098,725.20-120,968,186.40

Finding the Fourth Proportional to 223,984,634.40, 309,098,725.20 and 120,968,186.40

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Solution

The fourth proportional to 223,984,634.40, 309,098,725.20 and 120,968,186.40 is: 166,936,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,984,634.40 : 309,098,725.20 = 120,968,186.40 : x
  2. Step 2: Convert to fraction form
    223,984,634.40/309,098,725.20 = 120,968,186.40/x
  3. Step 3: Cross multiply
    223,984,634.40x = 309,098,725.20 × 120,968,186.40
  4. Step 4: Simplify right side
    223,984,634.40x = 37,391,112,205,995,976
  5. Step 5: Solve for x
    x = 37,391,112,205,995,976/223,984,634.40
  6. Step 6: Final answer
    x = 166,936,059.28

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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.