Home / 76,702,505.76-105,848,829-41,895,218.16

Finding the Fourth Proportional to 76,702,505.76, 105,848,829 and 41,895,218.16

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Solution

The fourth proportional to 76,702,505.76, 105,848,829 and 41,895,218.16 is: 57,815,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,702,505.76 : 105,848,829 = 41,895,218.16 : x
  2. Step 2: Convert to fraction form
    76,702,505.76/105,848,829 = 41,895,218.16/x
  3. Step 3: Cross multiply
    76,702,505.76x = 105,848,829 × 41,895,218.16
  4. Step 4: Simplify right side
    76,702,505.76x = 4,434,559,782,935,534.50
  5. Step 5: Solve for x
    x = 4,434,559,782,935,534.50/76,702,505.76
  6. Step 6: Final answer
    x = 57,815,057.53

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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.