Home / 76,589,133.62-105,678,549.20-45,652,181.54

Finding the Fourth Proportional to 76,589,133.62, 105,678,549.20 and 45,652,181.54

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Solution

The fourth proportional to 76,589,133.62, 105,678,549.20 and 45,652,181.54 is: 62,991,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,589,133.62 : 105,678,549.20 = 45,652,181.54 : x
  2. Step 2: Convert to fraction form
    76,589,133.62/105,678,549.20 = 45,652,181.54/x
  3. Step 3: Cross multiply
    76,589,133.62x = 105,678,549.20 × 45,652,181.54
  4. Step 4: Simplify right side
    76,589,133.62x = 4,824,456,312,962,222
  5. Step 5: Solve for x
    x = 4,824,456,312,962,222/76,589,133.62
  6. Step 6: Final answer
    x = 62,991,394.27

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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.