Home / 71,633,015.62-98,852,615.94-39,842,970.82

Finding the Fourth Proportional to 71,633,015.62, 98,852,615.94 and 39,842,970.82

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Solution

The fourth proportional to 71,633,015.62, 98,852,615.94 and 39,842,970.82 is: 54,982,773.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,633,015.62 : 98,852,615.94 = 39,842,970.82 : x
  2. Step 2: Convert to fraction form
    71,633,015.62/98,852,615.94 = 39,842,970.82/x
  3. Step 3: Cross multiply
    71,633,015.62x = 98,852,615.94 × 39,842,970.82
  4. Step 4: Simplify right side
    71,633,015.62x = 3,938,581,892,378,087
  5. Step 5: Solve for x
    x = 3,938,581,892,378,087/71,633,015.62
  6. Step 6: Final answer
    x = 54,982,773.77

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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.