Home / 76,379,258.88-105,403,815.36-41,571,864.96

Finding the Fourth Proportional to 76,379,258.88, 105,403,815.36 and 41,571,864.96

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Solution

The fourth proportional to 76,379,258.88, 105,403,815.36 and 41,571,864.96 is: 57,369,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,379,258.88 : 105,403,815.36 = 41,571,864.96 : x
  2. Step 2: Convert to fraction form
    76,379,258.88/105,403,815.36 = 41,571,864.96/x
  3. Step 3: Cross multiply
    76,379,258.88x = 105,403,815.36 × 41,571,864.96
  4. Step 4: Simplify right side
    76,379,258.88x = 4,381,833,178,414,694
  5. Step 5: Solve for x
    x = 4,381,833,178,414,694/76,379,258.88
  6. Step 6: Final answer
    x = 57,369,412.10

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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.