Home / 72,383,799.62-99,890,312.18-39,344,126.49

Finding the Fourth Proportional to 72,383,799.62, 99,890,312.18 and 39,344,126.49

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Solution

The fourth proportional to 72,383,799.62, 99,890,312.18 and 39,344,126.49 is: 54,295,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,383,799.62 : 99,890,312.18 = 39,344,126.49 : x
  2. Step 2: Convert to fraction form
    72,383,799.62/99,890,312.18 = 39,344,126.49/x
  3. Step 3: Cross multiply
    72,383,799.62x = 99,890,312.18 × 39,344,126.49
  4. Step 4: Simplify right side
    72,383,799.62x = 3,930,097,077,338,787
  5. Step 5: Solve for x
    x = 3,930,097,077,338,787/72,383,799.62
  6. Step 6: Final answer
    x = 54,295,258.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.