Home / 201,854,310.90-278,559,071.07-109,034,859.75

Finding the Fourth Proportional to 201,854,310.90, 278,559,071.07 and 109,034,859.75

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Solution

The fourth proportional to 201,854,310.90, 278,559,071.07 and 109,034,859.75 is: 150,468,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,854,310.90 : 278,559,071.07 = 109,034,859.75 : x
  2. Step 2: Convert to fraction form
    201,854,310.90/278,559,071.07 = 109,034,859.75/x
  3. Step 3: Cross multiply
    201,854,310.90x = 278,559,071.07 × 109,034,859.75
  4. Step 4: Simplify right side
    201,854,310.90x = 30,372,649,246,207,732
  5. Step 5: Solve for x
    x = 30,372,649,246,207,732/201,854,310.90
  6. Step 6: Final answer
    x = 150,468,172.37

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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.