Home / 77,333,427-106,694,012.36-43,839,315.18

Finding the Fourth Proportional to 77,333,427, 106,694,012.36 and 43,839,315.18

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Solution

The fourth proportional to 77,333,427, 106,694,012.36 and 43,839,315.18 is: 60,483,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,333,427 : 106,694,012.36 = 43,839,315.18 : x
  2. Step 2: Convert to fraction form
    77,333,427/106,694,012.36 = 43,839,315.18/x
  3. Step 3: Cross multiply
    77,333,427x = 106,694,012.36 × 43,839,315.18
  4. Step 4: Simplify right side
    77,333,427x = 4,677,392,435,668,856
  5. Step 5: Solve for x
    x = 4,677,392,435,668,856/77,333,427
  6. Step 6: Final answer
    x = 60,483,449.62

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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.