Home / 76,121,359.34-105,047,577.25-41,314,049.78

Finding the Fourth Proportional to 76,121,359.34, 105,047,577.25 and 41,314,049.78

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Solution

The fourth proportional to 76,121,359.34, 105,047,577.25 and 41,314,049.78 is: 57,013,443.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,359.34 : 105,047,577.25 = 41,314,049.78 : x
  2. Step 2: Convert to fraction form
    76,121,359.34/105,047,577.25 = 41,314,049.78/x
  3. Step 3: Cross multiply
    76,121,359.34x = 105,047,577.25 × 41,314,049.78
  4. Step 4: Simplify right side
    76,121,359.34x = 4,339,940,835,774,895.50
  5. Step 5: Solve for x
    x = 4,339,940,835,774,895.50/76,121,359.34
  6. Step 6: Final answer
    x = 57,013,443.71

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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.