Home / 76,961,909.43-106,206,122.30-41,679,427.94

Finding the Fourth Proportional to 76,961,909.43, 106,206,122.30 and 41,679,427.94

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Solution

The fourth proportional to 76,961,909.43, 106,206,122.30 and 41,679,427.94 is: 57,516,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,961,909.43 : 106,206,122.30 = 41,679,427.94 : x
  2. Step 2: Convert to fraction form
    76,961,909.43/106,206,122.30 = 41,679,427.94/x
  3. Step 3: Cross multiply
    76,961,909.43x = 106,206,122.30 × 41,679,427.94
  4. Step 4: Simplify right side
    76,961,909.43x = 4,426,610,420,848,522
  5. Step 5: Solve for x
    x = 4,426,610,420,848,522/76,961,909.43
  6. Step 6: Final answer
    x = 57,516,899.64

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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.