Home / 76,121,499.72-105,047,773.50-41,314,190.64

Finding the Fourth Proportional to 76,121,499.72, 105,047,773.50 and 41,314,190.64

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Solution

The fourth proportional to 76,121,499.72, 105,047,773.50 and 41,314,190.64 is: 57,013,639.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,121,499.72 : 105,047,773.50 = 41,314,190.64 : x
  2. Step 2: Convert to fraction form
    76,121,499.72/105,047,773.50 = 41,314,190.64/x
  3. Step 3: Cross multiply
    76,121,499.72x = 105,047,773.50 × 41,314,190.64
  4. Step 4: Simplify right side
    76,121,499.72x = 4,339,963,740,686,540
  5. Step 5: Solve for x
    x = 4,339,963,740,686,540/76,121,499.72
  6. Step 6: Final answer
    x = 57,013,639.47

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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.