Home / 78,831,105.42-108,771,146.11-44,018,439.42

Finding the Fourth Proportional to 78,831,105.42, 108,771,146.11 and 44,018,439.42

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Solution

The fourth proportional to 78,831,105.42, 108,771,146.11 and 44,018,439.42 is: 60,736,635.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,831,105.42 : 108,771,146.11 = 44,018,439.42 : x
  2. Step 2: Convert to fraction form
    78,831,105.42/108,771,146.11 = 44,018,439.42/x
  3. Step 3: Cross multiply
    78,831,105.42x = 108,771,146.11 × 44,018,439.42
  4. Step 4: Simplify right side
    78,831,105.42x = 4,787,936,105,687,004
  5. Step 5: Solve for x
    x = 4,787,936,105,687,004/78,831,105.42
  6. Step 6: Final answer
    x = 60,736,635.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.