Home / 462,043,361.40-693,058,341.78-112,292,022.84

Finding the Fourth Proportional to 462,043,361.40, 693,058,341.78 and 112,292,022.84

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Solution

The fourth proportional to 462,043,361.40, 693,058,341.78 and 112,292,022.84 is: 168,436,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,043,361.40 : 693,058,341.78 = 112,292,022.84 : x
  2. Step 2: Convert to fraction form
    462,043,361.40/693,058,341.78 = 112,292,022.84/x
  3. Step 3: Cross multiply
    462,043,361.40x = 693,058,341.78 × 112,292,022.84
  4. Step 4: Simplify right side
    462,043,361.40x = 77,824,923,144,612,288
  5. Step 5: Solve for x
    x = 77,824,923,144,612,288/462,043,361.40
  6. Step 6: Final answer
    x = 168,436,405.86

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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.