Home / 76,589,139.62-105,678,557.47-45,652,187.54

Finding the Fourth Proportional to 76,589,139.62, 105,678,557.47 and 45,652,187.54

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Solution

The fourth proportional to 76,589,139.62, 105,678,557.47 and 45,652,187.54 is: 62,991,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,589,139.62 : 105,678,557.47 = 45,652,187.54 : x
  2. Step 2: Convert to fraction form
    76,589,139.62/105,678,557.47 = 45,652,187.54/x
  3. Step 3: Cross multiply
    76,589,139.62x = 105,678,557.47 × 45,652,187.54
  4. Step 4: Simplify right side
    76,589,139.62x = 4,824,457,324,577,108
  5. Step 5: Solve for x
    x = 4,824,457,324,577,108/76,589,139.62
  6. Step 6: Final answer
    x = 62,991,402.55

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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.