Home / 79,757,337.76-119,635,962.48-19,173,043.36

Finding the Fourth Proportional to 79,757,337.76, 119,635,962.48 and 19,173,043.36

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Solution

The fourth proportional to 79,757,337.76, 119,635,962.48 and 19,173,043.36 is: 28,759,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,757,337.76 : 119,635,962.48 = 19,173,043.36 : x
  2. Step 2: Convert to fraction form
    79,757,337.76/119,635,962.48 = 19,173,043.36/x
  3. Step 3: Cross multiply
    79,757,337.76x = 119,635,962.48 × 19,173,043.36
  4. Step 4: Simplify right side
    79,757,337.76x = 2,293,785,496,044,373
  5. Step 5: Solve for x
    x = 2,293,785,496,044,373/79,757,337.76
  6. Step 6: Final answer
    x = 28,759,554.42

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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.