Home / 57,391,687-79,228,803.81-39,763,956.70

Finding the Fourth Proportional to 57,391,687, 79,228,803.81 and 39,763,956.70

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Solution

The fourth proportional to 57,391,687, 79,228,803.81 and 39,763,956.70 is: 54,893,851.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,391,687 : 79,228,803.81 = 39,763,956.70 : x
  2. Step 2: Convert to fraction form
    57,391,687/79,228,803.81 = 39,763,956.70/x
  3. Step 3: Cross multiply
    57,391,687x = 79,228,803.81 × 39,763,956.70
  4. Step 4: Simplify right side
    57,391,687x = 3,150,450,724,093,635.50
  5. Step 5: Solve for x
    x = 3,150,450,724,093,635.50/57,391,687
  6. Step 6: Final answer
    x = 54,893,851.16

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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.