Home / 80,618,133.87-120,907,270.11-34,554,779.07

Finding the Fourth Proportional to 80,618,133.87, 120,907,270.11 and 34,554,779.07

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Solution

The fourth proportional to 80,618,133.87, 120,907,270.11 and 34,554,779.07 is: 51,823,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,618,133.87 : 120,907,270.11 = 34,554,779.07 : x
  2. Step 2: Convert to fraction form
    80,618,133.87/120,907,270.11 = 34,554,779.07/x
  3. Step 3: Cross multiply
    80,618,133.87x = 120,907,270.11 × 34,554,779.07
  4. Step 4: Simplify right side
    80,618,133.87x = 4,177,924,006,607,864.50
  5. Step 5: Solve for x
    x = 4,177,924,006,607,864.50/80,618,133.87
  6. Step 6: Final answer
    x = 51,823,625.85

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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.