Home / 116,668,899.38-161,004,770.25-64,459,136.90

Finding the Fourth Proportional to 116,668,899.38, 161,004,770.25 and 64,459,136.90

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Solution

The fourth proportional to 116,668,899.38, 161,004,770.25 and 64,459,136.90 is: 88,954,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,668,899.38 : 161,004,770.25 = 64,459,136.90 : x
  2. Step 2: Convert to fraction form
    116,668,899.38/161,004,770.25 = 64,459,136.90/x
  3. Step 3: Cross multiply
    116,668,899.38x = 161,004,770.25 × 64,459,136.90
  4. Step 4: Simplify right side
    116,668,899.38x = 10,378,228,527,097,796
  5. Step 5: Solve for x
    x = 10,378,228,527,097,796/116,668,899.38
  6. Step 6: Final answer
    x = 88,954,542.15

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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.