Home / 81,001,677.60-111,782,611.38-43,831,958.20

Finding the Fourth Proportional to 81,001,677.60, 111,782,611.38 and 43,831,958.20

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Solution

The fourth proportional to 81,001,677.60, 111,782,611.38 and 43,831,958.20 is: 60,488,262.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001,677.60 : 111,782,611.38 = 43,831,958.20 : x
  2. Step 2: Convert to fraction form
    81,001,677.60/111,782,611.38 = 43,831,958.20/x
  3. Step 3: Cross multiply
    81,001,677.60x = 111,782,611.38 × 43,831,958.20
  4. Step 4: Simplify right side
    81,001,677.60x = 4,899,650,749,495,004
  5. Step 5: Solve for x
    x = 4,899,650,749,495,004/81,001,677.60
  6. Step 6: Final answer
    x = 60,488,262.65

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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.