Home / 76,702,538.18-105,848,803.94-41,895,219.40

Finding the Fourth Proportional to 76,702,538.18, 105,848,803.94 and 41,895,219.40

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Solution

The fourth proportional to 76,702,538.18, 105,848,803.94 and 41,895,219.40 is: 57,815,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,702,538.18 : 105,848,803.94 = 41,895,219.40 : x
  2. Step 2: Convert to fraction form
    76,702,538.18/105,848,803.94 = 41,895,219.40/x
  3. Step 3: Cross multiply
    76,702,538.18x = 105,848,803.94 × 41,895,219.40
  4. Step 4: Simplify right side
    76,702,538.18x = 4,434,558,864,293,884
  5. Step 5: Solve for x
    x = 4,434,558,864,293,884/76,702,538.18
  6. Step 6: Final answer
    x = 57,815,021.11

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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.