Home / 50,086,779.84-74,962,764.72-28,515,590.64

Finding the Fourth Proportional to 50,086,779.84, 74,962,764.72 and 28,515,590.64

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Solution

The fourth proportional to 50,086,779.84, 74,962,764.72 and 28,515,590.64 is: 42,678,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,086,779.84 : 74,962,764.72 = 28,515,590.64 : x
  2. Step 2: Convert to fraction form
    50,086,779.84/74,962,764.72 = 28,515,590.64/x
  3. Step 3: Cross multiply
    50,086,779.84x = 74,962,764.72 × 28,515,590.64
  4. Step 4: Simplify right side
    50,086,779.84x = 2,137,607,511,998,154.25
  5. Step 5: Solve for x
    x = 2,137,607,511,998,154.25/50,086,779.84
  6. Step 6: Final answer
    x = 42,678,078.30

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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.