Home / 71,008,077.80-106,512,116.70-58,242,996.20

Finding the Fourth Proportional to 71,008,077.80, 106,512,116.70 and 58,242,996.20

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Solution

The fourth proportional to 71,008,077.80, 106,512,116.70 and 58,242,996.20 is: 87,364,494.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,008,077.80 : 106,512,116.70 = 58,242,996.20 : x
  2. Step 2: Convert to fraction form
    71,008,077.80/106,512,116.70 = 58,242,996.20/x
  3. Step 3: Cross multiply
    71,008,077.80x = 106,512,116.70 × 58,242,996.20
  4. Step 4: Simplify right side
    71,008,077.80x = 6,203,584,808,212,057
  5. Step 5: Solve for x
    x = 6,203,584,808,212,057/71,008,077.80
  6. Step 6: Final answer
    x = 87,364,494.30

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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.