Home / 116,567,997.30-160,877,942.21-66,344,427.05

Finding the Fourth Proportional to 116,567,997.30, 160,877,942.21 and 66,344,427.05

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Solution

The fourth proportional to 116,567,997.30, 160,877,942.21 and 66,344,427.05 is: 91,563,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,567,997.30 : 160,877,942.21 = 66,344,427.05 : x
  2. Step 2: Convert to fraction form
    116,567,997.30/160,877,942.21 = 66,344,427.05/x
  3. Step 3: Cross multiply
    116,567,997.30x = 160,877,942.21 × 66,344,427.05
  4. Step 4: Simplify right side
    116,567,997.30x = 10,673,354,900,266,932
  5. Step 5: Solve for x
    x = 10,673,354,900,266,932/116,567,997.30
  6. Step 6: Final answer
    x = 91,563,337.69

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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.