Home / 54,136,847,433.72-81,172,173,933.90-25,815,441,136.62

Finding the Fourth Proportional to 54,136,847,433.72, 81,172,173,933.90 and 25,815,441,136.62

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Solution

The fourth proportional to 54,136,847,433.72, 81,172,173,933.90 and 25,815,441,136.62 is: 38,707,379,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,136,847,433.72 : 81,172,173,933.90 = 25,815,441,136.62 : x
  2. Step 2: Convert to fraction form
    54,136,847,433.72/81,172,173,933.90 = 25,815,441,136.62/x
  3. Step 3: Cross multiply
    54,136,847,433.72x = 81,172,173,933.90 × 25,815,441,136.62
  4. Step 4: Simplify right side
    54,136,847,433.72x = 2,095,495,478,122,075,389,952
  5. Step 5: Solve for x
    x = 2,095,495,478,122,075,389,952/54,136,847,433.72
  6. Step 6: Final answer
    x = 38,707,379,122.65

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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.