Home / 144,394,574.91-199,269,024.04-81,669,445.48

Finding the Fourth Proportional to 144,394,574.91, 199,269,024.04 and 81,669,445.48

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Solution

The fourth proportional to 144,394,574.91, 199,269,024.04 and 81,669,445.48 is: 112,706,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,394,574.91 : 199,269,024.04 = 81,669,445.48 : x
  2. Step 2: Convert to fraction form
    144,394,574.91/199,269,024.04 = 81,669,445.48/x
  3. Step 3: Cross multiply
    144,394,574.91x = 199,269,024.04 × 81,669,445.48
  4. Step 4: Simplify right side
    144,394,574.91x = 16,274,190,693,936,664
  5. Step 5: Solve for x
    x = 16,274,190,693,936,664/144,394,574.91
  6. Step 6: Final answer
    x = 112,706,385.98

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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.