Home / 234,034,208.67-351,074,539.59-86,520,435.39

Finding the Fourth Proportional to 234,034,208.67, 351,074,539.59 and 86,520,435.39

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Solution

The fourth proportional to 234,034,208.67, 351,074,539.59 and 86,520,435.39 is: 129,789,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,034,208.67 : 351,074,539.59 = 86,520,435.39 : x
  2. Step 2: Convert to fraction form
    234,034,208.67/351,074,539.59 = 86,520,435.39/x
  3. Step 3: Cross multiply
    234,034,208.67x = 351,074,539.59 × 86,520,435.39
  4. Step 4: Simplify right side
    234,034,208.67x = 30,375,122,019,670,592
  5. Step 5: Solve for x
    x = 30,375,122,019,670,592/234,034,208.67
  6. Step 6: Final answer
    x = 129,789,239.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.