Home / 239,581,401-330,622,333.92-129,573,114

Finding the Fourth Proportional to 239,581,401, 330,622,333.92 and 129,573,114

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Solution

The fourth proportional to 239,581,401, 330,622,333.92 and 129,573,114 is: 178,810,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,581,401 : 330,622,333.92 = 129,573,114 : x
  2. Step 2: Convert to fraction form
    239,581,401/330,622,333.92 = 129,573,114/x
  3. Step 3: Cross multiply
    239,581,401x = 330,622,333.92 × 129,573,114
  4. Step 4: Simplify right side
    239,581,401x = 42,839,765,363,962,232
  5. Step 5: Solve for x
    x = 42,839,765,363,962,232/239,581,401
  6. Step 6: Final answer
    x = 178,810,897.61

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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.