Home / 76,194,414.66-105,157,015.06-42,712,936.74

Finding the Fourth Proportional to 76,194,414.66, 105,157,015.06 and 42,712,936.74

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Solution

The fourth proportional to 76,194,414.66, 105,157,015.06 and 42,712,936.74 is: 58,948,742.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,194,414.66 : 105,157,015.06 = 42,712,936.74 : x
  2. Step 2: Convert to fraction form
    76,194,414.66/105,157,015.06 = 42,712,936.74/x
  3. Step 3: Cross multiply
    76,194,414.66x = 105,157,015.06 × 42,712,936.74
  4. Step 4: Simplify right side
    76,194,414.66x = 4,491,564,932,025,007.50
  5. Step 5: Solve for x
    x = 4,491,564,932,025,007.50/76,194,414.66
  6. Step 6: Final answer
    x = 58,948,742.53

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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.