Home / 76,126,838.31-105,052,222.32-41,318,786.88

Finding the Fourth Proportional to 76,126,838.31, 105,052,222.32 and 41,318,786.88

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Solution

The fourth proportional to 76,126,838.31, 105,052,222.32 and 41,318,786.88 is: 57,018,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,126,838.31 : 105,052,222.32 = 41,318,786.88 : x
  2. Step 2: Convert to fraction form
    76,126,838.31/105,052,222.32 = 41,318,786.88/x
  3. Step 3: Cross multiply
    76,126,838.31x = 105,052,222.32 × 41,318,786.88
  4. Step 4: Simplify right side
    76,126,838.31x = 4,340,630,385,155,514
  5. Step 5: Solve for x
    x = 4,340,630,385,155,514/76,126,838.31
  6. Step 6: Final answer
    x = 57,018,398.26

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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.