Home / 363,834,004.20-545,751,006.30-145,376,323.80

Finding the Fourth Proportional to 363,834,004.20, 545,751,006.30 and 145,376,323.80

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Solution

The fourth proportional to 363,834,004.20, 545,751,006.30 and 145,376,323.80 is: 218,064,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,834,004.20 : 545,751,006.30 = 145,376,323.80 : x
  2. Step 2: Convert to fraction form
    363,834,004.20/545,751,006.30 = 145,376,323.80/x
  3. Step 3: Cross multiply
    363,834,004.20x = 545,751,006.30 × 145,376,323.80
  4. Step 4: Simplify right side
    363,834,004.20x = 79,339,275,006,044,640
  5. Step 5: Solve for x
    x = 79,339,275,006,044,640/363,834,004.20
  6. Step 6: Final answer
    x = 218,064,485.70

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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.