Home / 76,577,863.92-105,677,780.76-41,771,312.88

Finding the Fourth Proportional to 76,577,863.92, 105,677,780.76 and 41,771,312.88

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Solution

The fourth proportional to 76,577,863.92, 105,677,780.76 and 41,771,312.88 is: 57,644,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,577,863.92 : 105,677,780.76 = 41,771,312.88 : x
  2. Step 2: Convert to fraction form
    76,577,863.92/105,677,780.76 = 41,771,312.88/x
  3. Step 3: Cross multiply
    76,577,863.92x = 105,677,780.76 × 41,771,312.88
  4. Step 4: Simplify right side
    76,577,863.92x = 4,414,299,644,590,004.50
  5. Step 5: Solve for x
    x = 4,414,299,644,590,004.50/76,577,863.92
  6. Step 6: Final answer
    x = 57,644,590.99

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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.