Home / 82,956,931.60-114,448,636.20-51,963,143.44

Finding the Fourth Proportional to 82,956,931.60, 114,448,636.20 and 51,963,143.44

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Solution

The fourth proportional to 82,956,931.60, 114,448,636.20 and 51,963,143.44 is: 71,689,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,956,931.60 : 114,448,636.20 = 51,963,143.44 : x
  2. Step 2: Convert to fraction form
    82,956,931.60/114,448,636.20 = 51,963,143.44/x
  3. Step 3: Cross multiply
    82,956,931.60x = 114,448,636.20 × 51,963,143.44
  4. Step 4: Simplify right side
    82,956,931.60x = 5,947,110,899,372,976
  5. Step 5: Solve for x
    x = 5,947,110,899,372,976/82,956,931.60
  6. Step 6: Final answer
    x = 71,689,137.78

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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.