Home / 102,807,214.92-141,873,123.28-55,764,170.88

Finding the Fourth Proportional to 102,807,214.92, 141,873,123.28 and 55,764,170.88

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Solution

The fourth proportional to 102,807,214.92, 141,873,123.28 and 55,764,170.88 is: 76,954,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,807,214.92 : 141,873,123.28 = 55,764,170.88 : x
  2. Step 2: Convert to fraction form
    102,807,214.92/141,873,123.28 = 55,764,170.88/x
  3. Step 3: Cross multiply
    102,807,214.92x = 141,873,123.28 × 55,764,170.88
  4. Step 4: Simplify right side
    102,807,214.92x = 7,911,437,089,865,227
  5. Step 5: Solve for x
    x = 7,911,437,089,865,227/102,807,214.92
  6. Step 6: Final answer
    x = 76,954,103.81

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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.