Home / 363,838,991.40-545,947,443.90-159,387,733.80

Finding the Fourth Proportional to 363,838,991.40, 545,947,443.90 and 159,387,733.80

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Solution

The fourth proportional to 363,838,991.40, 545,947,443.90 and 159,387,733.80 is: 239,164,377.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,838,991.40 : 545,947,443.90 = 159,387,733.80 : x
  2. Step 2: Convert to fraction form
    363,838,991.40/545,947,443.90 = 159,387,733.80/x
  3. Step 3: Cross multiply
    363,838,991.40x = 545,947,443.90 × 159,387,733.80
  4. Step 4: Simplify right side
    363,838,991.40x = 87,017,325,857,123,632
  5. Step 5: Solve for x
    x = 87,017,325,857,123,632/363,838,991.40
  6. Step 6: Final answer
    x = 239,164,377.41

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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.