Home / 83,161,325.78-114,749,880.21-47,872,309.55

Finding the Fourth Proportional to 83,161,325.78, 114,749,880.21 and 47,872,309.55

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Solution

The fourth proportional to 83,161,325.78, 114,749,880.21 and 47,872,309.55 is: 66,056,447.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,161,325.78 : 114,749,880.21 = 47,872,309.55 : x
  2. Step 2: Convert to fraction form
    83,161,325.78/114,749,880.21 = 47,872,309.55/x
  3. Step 3: Cross multiply
    83,161,325.78x = 114,749,880.21 × 47,872,309.55
  4. Step 4: Simplify right side
    83,161,325.78x = 5,493,341,785,664,789
  5. Step 5: Solve for x
    x = 5,493,341,785,664,789/83,161,325.78
  6. Step 6: Final answer
    x = 66,056,447.93

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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.