Home / 76,121,529.84-105,047,814.87-41,314,220.73

Finding the Fourth Proportional to 76,121,529.84, 105,047,814.87 and 41,314,220.73

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Solution

The fourth proportional to 76,121,529.84, 105,047,814.87 and 41,314,220.73 is: 57,013,680.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,529.84 : 105,047,814.87 = 41,314,220.73 : x
  2. Step 2: Convert to fraction form
    76,121,529.84/105,047,814.87 = 41,314,220.73/x
  3. Step 3: Cross multiply
    76,121,529.84x = 105,047,814.87 × 41,314,220.73
  4. Step 4: Simplify right side
    76,121,529.84x = 4,339,968,610,743,356
  5. Step 5: Solve for x
    x = 4,339,968,610,743,356/76,121,529.84
  6. Step 6: Final answer
    x = 57,013,680.88

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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.