Home / 49,152,121.80-73,745,897.40-20,418,878.40

Finding the Fourth Proportional to 49,152,121.80, 73,745,897.40 and 20,418,878.40

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Solution

The fourth proportional to 49,152,121.80, 73,745,897.40 and 20,418,878.40 is: 30,635,676.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,152,121.80 : 73,745,897.40 = 20,418,878.40 : x
  2. Step 2: Convert to fraction form
    49,152,121.80/73,745,897.40 = 20,418,878.40/x
  3. Step 3: Cross multiply
    49,152,121.80x = 73,745,897.40 × 20,418,878.40
  4. Step 4: Simplify right side
    49,152,121.80x = 1,505,808,511,509,476.25
  5. Step 5: Solve for x
    x = 1,505,808,511,509,476.25/49,152,121.80
  6. Step 6: Final answer
    x = 30,635,676.68

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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.