Home / 76,129,731.14-114,198,999.26-21,537,743.58

Finding the Fourth Proportional to 76,129,731.14, 114,198,999.26 and 21,537,743.58

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Solution

The fourth proportional to 76,129,731.14, 114,198,999.26 and 21,537,743.58 is: 32,307,860.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,129,731.14 : 114,198,999.26 = 21,537,743.58 : x
  2. Step 2: Convert to fraction form
    76,129,731.14/114,198,999.26 = 21,537,743.58/x
  3. Step 3: Cross multiply
    76,129,731.14x = 114,198,999.26 × 21,537,743.58
  4. Step 4: Simplify right side
    76,129,731.14x = 2,459,588,763,046,800.50
  5. Step 5: Solve for x
    x = 2,459,588,763,046,800.50/76,129,731.14
  6. Step 6: Final answer
    x = 32,307,860.89

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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.