Home / 215,485,359.39-323,228,043.38-51,723,115.98

Finding the Fourth Proportional to 215,485,359.39, 323,228,043.38 and 51,723,115.98

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Solution

The fourth proportional to 215,485,359.39, 323,228,043.38 and 51,723,115.98 is: 77,584,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,485,359.39 : 323,228,043.38 = 51,723,115.98 : x
  2. Step 2: Convert to fraction form
    215,485,359.39/323,228,043.38 = 51,723,115.98/x
  3. Step 3: Cross multiply
    215,485,359.39x = 323,228,043.38 × 51,723,115.98
  4. Step 4: Simplify right side
    215,485,359.39x = 16,718,361,575,732,210
  5. Step 5: Solve for x
    x = 16,718,361,575,732,210/215,485,359.39
  6. Step 6: Final answer
    x = 77,584,675.00

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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.