Home / 76,227,871.32-105,195,128.40-41,420,561.04

Finding the Fourth Proportional to 76,227,871.32, 105,195,128.40 and 41,420,561.04

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Solution

The fourth proportional to 76,227,871.32, 105,195,128.40 and 41,420,561.04 is: 57,160,736.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,227,871.32 : 105,195,128.40 = 41,420,561.04 : x
  2. Step 2: Convert to fraction form
    76,227,871.32/105,195,128.40 = 41,420,561.04/x
  3. Step 3: Cross multiply
    76,227,871.32x = 105,195,128.40 × 41,420,561.04
  4. Step 4: Simplify right side
    76,227,871.32x = 4,357,241,237,002,837.50
  5. Step 5: Solve for x
    x = 4,357,241,237,002,837.50/76,227,871.32
  6. Step 6: Final answer
    x = 57,160,736.11

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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.