Home / 81,124,293.24-121,601,409.21-29,973,687.48

Finding the Fourth Proportional to 81,124,293.24, 121,601,409.21 and 29,973,687.48

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Solution

The fourth proportional to 81,124,293.24, 121,601,409.21 and 29,973,687.48 is: 44,929,114.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,124,293.24 : 121,601,409.21 = 29,973,687.48 : x
  2. Step 2: Convert to fraction form
    81,124,293.24/121,601,409.21 = 29,973,687.48/x
  3. Step 3: Cross multiply
    81,124,293.24x = 121,601,409.21 × 29,973,687.48
  4. Step 4: Simplify right side
    81,124,293.24x = 3,644,842,636,788,133.50
  5. Step 5: Solve for x
    x = 3,644,842,636,788,133.50/81,124,293.24
  6. Step 6: Final answer
    x = 44,929,114.22

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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.