Home / 109,770,660.85-164,655,991.28-28,991,628.85

Finding the Fourth Proportional to 109,770,660.85, 164,655,991.28 and 28,991,628.85

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Solution

The fourth proportional to 109,770,660.85, 164,655,991.28 and 28,991,628.85 is: 43,487,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,770,660.85 : 164,655,991.28 = 28,991,628.85 : x
  2. Step 2: Convert to fraction form
    109,770,660.85/164,655,991.28 = 28,991,628.85/x
  3. Step 3: Cross multiply
    109,770,660.85x = 164,655,991.28 × 28,991,628.85
  4. Step 4: Simplify right side
    109,770,660.85x = 4,773,645,386,973,639
  5. Step 5: Solve for x
    x = 4,773,645,386,973,639/109,770,660.85
  6. Step 6: Final answer
    x = 43,487,443.28

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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.