Home / 76,981,302.94-106,233,318.46-41,698,442.88

Finding the Fourth Proportional to 76,981,302.94, 106,233,318.46 and 41,698,442.88

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Solution

The fourth proportional to 76,981,302.94, 106,233,318.46 and 41,698,442.88 is: 57,543,374.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,981,302.94 : 106,233,318.46 = 41,698,442.88 : x
  2. Step 2: Convert to fraction form
    76,981,302.94/106,233,318.46 = 41,698,442.88/x
  3. Step 3: Cross multiply
    76,981,302.94x = 106,233,318.46 × 41,698,442.88
  4. Step 4: Simplify right side
    76,981,302.94x = 4,429,763,961,250,407.50
  5. Step 5: Solve for x
    x = 4,429,763,961,250,407.50/76,981,302.94
  6. Step 6: Final answer
    x = 57,543,374.72

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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.