Home / 77,323,819.44-115,909,116.53-36,309,839.51

Finding the Fourth Proportional to 77,323,819.44, 115,909,116.53 and 36,309,839.51

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Solution

The fourth proportional to 77,323,819.44, 115,909,116.53 and 36,309,839.51 is: 54,428,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,323,819.44 : 115,909,116.53 = 36,309,839.51 : x
  2. Step 2: Convert to fraction form
    77,323,819.44/115,909,116.53 = 36,309,839.51/x
  3. Step 3: Cross multiply
    77,323,819.44x = 115,909,116.53 × 36,309,839.51
  4. Step 4: Simplify right side
    77,323,819.44x = 4,208,641,418,189,094
  5. Step 5: Solve for x
    x = 4,208,641,418,189,094/77,323,819.44
  6. Step 6: Final answer
    x = 54,428,783.38

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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.