Home / 319,435,743.33-440,821,619.70-172,758,027.33

Finding the Fourth Proportional to 319,435,743.33, 440,821,619.70 and 172,758,027.33

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Solution

The fourth proportional to 319,435,743.33, 440,821,619.70 and 172,758,027.33 is: 238,406,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,435,743.33 : 440,821,619.70 = 172,758,027.33 : x
  2. Step 2: Convert to fraction form
    319,435,743.33/440,821,619.70 = 172,758,027.33/x
  3. Step 3: Cross multiply
    319,435,743.33x = 440,821,619.70 × 172,758,027.33
  4. Step 4: Simplify right side
    319,435,743.33x = 76,155,473,423,787,472
  5. Step 5: Solve for x
    x = 76,155,473,423,787,472/319,435,743.33
  6. Step 6: Final answer
    x = 238,406,236.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.