Home / 76,179,853.08-105,128,814.87-41,372,792.64

Finding the Fourth Proportional to 76,179,853.08, 105,128,814.87 and 41,372,792.64

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Solution

The fourth proportional to 76,179,853.08, 105,128,814.87 and 41,372,792.64 is: 57,094,789.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,179,853.08 : 105,128,814.87 = 41,372,792.64 : x
  2. Step 2: Convert to fraction form
    76,179,853.08/105,128,814.87 = 41,372,792.64/x
  3. Step 3: Cross multiply
    76,179,853.08x = 105,128,814.87 × 41,372,792.64
  4. Step 4: Simplify right side
    76,179,853.08x = 4,349,472,658,105,459
  5. Step 5: Solve for x
    x = 4,349,472,658,105,459/76,179,853.08
  6. Step 6: Final answer
    x = 57,094,789.27

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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.