Home / 127,332,015.40-190,998,023.10-54,536,408.20

Finding the Fourth Proportional to 127,332,015.40, 190,998,023.10 and 54,536,408.20

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Solution

The fourth proportional to 127,332,015.40, 190,998,023.10 and 54,536,408.20 is: 81,804,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,332,015.40 : 190,998,023.10 = 54,536,408.20 : x
  2. Step 2: Convert to fraction form
    127,332,015.40/190,998,023.10 = 54,536,408.20/x
  3. Step 3: Cross multiply
    127,332,015.40x = 190,998,023.10 × 54,536,408.20
  4. Step 4: Simplify right side
    127,332,015.40x = 10,416,346,153,174,630
  5. Step 5: Solve for x
    x = 10,416,346,153,174,630/127,332,015.40
  6. Step 6: Final answer
    x = 81,804,612.30

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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.